因此，一只以其兄弟姐妹为代价来获取食物的乞食雏鸟实际上可能会比其它雏鸟留下更少的基因副本。
Therefore, a begging nestling that secures food at the expense of its siblings might actually leave behind fewer copies of its genes overall than it might otherwise.
因此，正则表达式 A*B将与字符串AB 、AAB 、AAAB或任何其它以 A 开头并以单个 B 为结尾的字符串相匹配。
Therefore the regular expression A*B will match the strings AB, AAB, AAAB, or any other string starting with an A and ending with a single B.
许多人用“耐旱”这个词来形容这种植物，但它们实际上从未停止消耗水的需求，因此法兰特更喜欢称它们为抗旱植物。
Many people use the term "drought tolerant" to describe such plants, but they never actually stop needing to consume water, so Farrant prefers to call them drought resistant.
因此，计划引进以洛马蚁为食的蚁蝇进入该地区将有利于公共健康。
Therefore, the planned introduction into that region of ant flies, which prey on Loma ants, would benefit public health.
混合团队的专题式学习反映了现实的职场世界，因此能更好地为其做准备。
Project based learning with a mixed team reflects the reality of the professional world and could therefore be a better preparation for it.
所有的大学都归政府管控，所以是教育部负责为大学制定课程，也因此没有太多的灵活变通之处。
All the universities are owned by the government, so there is the Ministry of Education in charge of creating the curriculum for the universities and so there is not much room for flexibility.
因此，研究结果为专业人士和家长提供了一个明确的信息：当孩子在学习和注意力方面出现问题时，必须考虑睡眠问题。
So the results provide professionals and parents with a clear message: when a child is having learning and attention problems, the issue of sleep has to be taken into consideration.
因此，美国被描述为语言的“墓地”。
Hence the description of America as a "graveyard" for languages.
因此，人们可以把拿破仑描述为渴望给人留下深刻印象的人，或者把丘吉尔描述为孤独忧郁的人。
One could therefore present Napoleon in terms of his desire to impress or Churchill in terms of his lonely gloom.
柴油的价格会更高，但石油基柴油在美国的销售价格为每升57美分，不含分销成本和税金，因此应该有获利空间。
Diesel will cost more, but petroleum-based diesel sells in America for 57 cents a litre before distribution costs and tax, so there should be room for profit.
然而，由于以甲醇为燃料的车辆在设计上可以比以甲醇为燃料的“汽油克隆”车辆效率高得多，因此它们所需的燃料相对较少。
However, since methanol-fueled vehicles could be designed to be much more efficient than "gasoline clone" vehicles fueled with methanol, they would need comparatively less fuel.
因此，显然他们的英语词汇量比以英语为母语的人要小得多。
Therefore, by definition, they had a much weaker English vocabulary than native speakers.
因此，创客运动在美国各地的社区和一些学校蓬勃发展也就不足为奇了。
So it's no surprise that the Maker Movement today is thriving in communities and some schools across America.
他们因此与书本和报纸的世界隔绝，只能依靠其朋友为他们朗读。
They are thereby shut off from the world of books and newspapers, having to rely on friends to read aloud to them.
因此，那些说话不太容易的人可能会被误解为比那些很容易就能保持对话的人更难相处。
Consequently, people who do not talk very easily may be incorrectly understood as being less agreeable than those who have no difficulty keeping up a conversation.
由于医生对是否为病人开药有最终决定权，因此反对意见没有理由让人担心。
Since physicians have the final say as to whether to prescribe a medication for a patient, the objection provides no grounds for concern.
妇女解放运动为妇女开辟了新的职业机会。因此，随着时间的推移，一些女性人才逐渐不把教师纳入职业选择范围内，导致了教育质量的逐步下降。
Women's liberation opened up new professional opportunities for women, and, over time, some of the best left teaching as a career option, bringing about a gradual decline in the quality of schooling.
因此，大学开始改变他们的自我营销方式也就不足为奇了。
As a result, it is hardly surprising that universities are beginning to change the way they market themselves.
因此，超过半数的美国成年人没有按照睡眠专家的建议每晚合起眼睛睡7到9个小时，就不足为奇了。
It's no surprise, then, that more than half of American adults don't get the 7 to 9 hours of shut-eye every night as recommended by sleep experts.
因为这些年轻人的行为通常不被视为危险信号，因此该研究的作者们称他们为“隐形风险”群体。
Because their behaviors are not usually seen as a red flag, these young people have been dubbed the "invisible risk" group by the study's authors.
他们的同事为就同一问题多次向服务台求助而感到心烦意乱，因此他们不得不忍受其坏脾气。
They have to tolerate the bad tempers of colleagues frustrated at the number of times they've had to call the help desk for the same issue.
正因此，我们需要再一次以我们的孩子为榜样，对他们来说，幸福不是目标，而是生活方式的自然的副产品。
In that, once more, we need to look to the example of our children, to whom happiness is not a goal but a natural byproduct of the way they live.
因此，这不仅为检测 HIV 病毒，同时也为进行有关 HIV病毒危险性的教育和咨询提供了一个极好的机会。
It therefore presents an excellent opportunity not only to screen for HIV, but also to educate and advise about the dangers of the virus.
灾害导致肯尼亚的许多奶牛死亡，因此学生们决定筹集资金，为当地人购买奶牛。
Disasters have killed many cows in Kenya, so the students decide to raise money to buy cows for the local people.
由于植物没有神经系统，因此实际上它们拥有意识的可能性为零。
Since plants don't have nervous systems, the chances that they have consciousness are effectively zero.
鸟以虫为食。鸟捉不到虫就会饿。早起的鸟儿定能得到食物，因此早起的鸟儿有虫吃。
Birds feed on worms. A bird will go hungry if it cannot catch worms. The bird that gets up early is sure to get some food, so the early bird catches the worm.
1889年，他应邀为来访的意大利国王和王后烤制一种特殊的比萨饼，因此第一个玛格丽塔比萨饼被发明出来了，并以王后的名字命名。
He was asked to bake a special pizza for a visit by the Italian King and Queen in 1889, and so the first pizza Margarita was invented, named after the Queen.
因此，和英国人一样，Shirase 把他的探险描述为对知识的探索：他会带回化石，进行气象测量，并探索未知的大陆。
So, like the British, Shirase presented his expedition as a search for knowledge: he would bring back fossils, make meteorological measurements and explore unknown parts of the continent.
《牛津英语词典》的解释最恰当：“一个木制的头，戴帽子或假发的木头，因此，这种脑袋中放不下才智，含义为愚蠢的人。”
The OED puts it best: “A wooden head, a wooden block for hats or wigs; hence, a head with no more intelligence in it than one of these, a blockish head.”
《牛津英语词典》的解释最恰当：“一个木制的头，戴帽子或假发的木头，因此，这种脑袋中放不下才智，含义为愚蠢的人。”
The OED puts it best: “A wooden head, a wooden block for hats or wigs; hence, a head with no more intelligence in it than one of these, a blockish head.”
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