Sprinkler systems must be installed if a company employs more than 25 people.
如果公司雇员超过25人，就要必须安装自动喷水灭火系统。
Thousands of deaths and other casualties are expected if a 9.0 earthquake were to occur.
如果发生9.0级地震，预计将有数千人死亡和其他伤亡。
Right, bigger frogs have deeper voices, so if a smaller frog can imitate that deep voice.
是的，大青蛙的声音更低沉，所以如果小青蛙能模仿那种低沉的声音。
For example, if a student smiles at Bill, he responds by smiling back.
例如，如果一个学生对比尔微笑，他也以微笑回应。
He was at once furious and slightly pleased, if a person could be both at one time.
他既生气又有点高兴，如果一个人能同时拥有这两种情绪的话。
The media are suitable if a clearly visible growth of the microorganisms occurs.
如果出现清晰可见的微生物生长，则该培养基是适合的。
Finally, we know that language changes over time, which is natural and normal if a language is to survive.
最后，我们知道语言会随着时间而变化，如果一种语言要生存下去，这是自然且正常的现象。
So it looks like competition for resources is another important factor in determining if a particular habitat is suitable.
因此，资源的竞争似乎是决定一个特定栖息地是否适宜的另一个重要因素。
In schools, teachers and pupils alike often assume that if a concept has been easy to learn, then the lesson has been successful.
在学校里，老师和学生都认为如果很容易学会一个概念，那么这堂课就是成功的。
Mr. Tan said if a scene like the one in the painting could be found in Henan, he would create music for the show.
谭先生说如果在河南能寻找出一个像此画中的场景，他将为这个演出创作音乐。
How does this differ if a country goes bankrupt?
如果一个国家破产了，这些情况会有什么不同？
Cars must also stop at zebra crossings if a pedestrian is waiting.
如果有行人在等待，汽车必须在斑马线那里停下来。
Tickets were $40 to $60 if a guest wanted wine and a "VIP seat" near the stage.
如果客人想要葡萄酒和靠近舞台的“VIP座位”，票价为40至60美元。
Get a bottom 1% teacher, and the effect is the same as if a child misses 40% of the school year.
如果学生的老师是排在最后1%的老师，那么其学习效果就如同孩子错过了40%的学年学习。
There is little point doing that if a tablet user can simply read the news for free on a web browser.
如果平板电脑用户在网络浏览器上就可以免费阅读新闻，那么这样做就没有什么意义了。
Problems occur only if a contradiction develops between a new observation, say, "That ball is blue", and the preexisting statements.
只有当一个新的观察，比如“那个球是蓝色的”，与已有的陈述之间产生矛盾时，才会出现问题。
How much wood would a woodchuck chuck if a woodchuck could chuck wood?
如果土拨鼠会扔木头，一只土拨鼠能扔多少木头?
How much wood could a woodchuck chuck if a woodchuck could chuck wood?
如果土拨鼠会伐木头的话，一只土拔鼠能伐多少木材呢？
How can it be a violation of their privacy if a grocer sells their purchasing habits to a marketing firm?
如果一个杂货商把他们的购买习惯卖给一家营销公司，怎么可能侵犯他们的隐私呢?
What happens if a cuttlefish meets its enemy?
如果墨鱼遇到它的敌人会怎样？
Even if a pregnancy proves genuine, baby pandas have very low survival rates.
即使一只熊猫真的怀孕了，熊猫幼崽的存活率也非常低。
If a product is harmful to people's health, it should be withdrawn from sale immediately.
如果一个产品对人们的健康有害，应当立即停止销售这一产品。
If a building is well constructed and built on solid ground, it will resist an earthquake.
如果一座建筑构建良好，并且地基坚实，它就能抵抗地震。
If a person stays in the same room the following night they tend to sleep more soundly.
如果一个人第二晚呆在同一个房间，会睡得更香。
If a school doesn't have any rules to manage its students, the whole school will be in chaos.
如果一所学校没有任何的校规来管理其学生的话，整个学校就会陷入混乱。
If a lesson did not interest me, I would take out my notebook and start writing poems in class.
如果我对一节课不感兴趣，我会拿出笔记本，开始在课堂上写诗。
If a person places money prior to anything else, it's very likely that he could not enjoy the happiness in life.
如果一个人将金钱置于其他事物之前的话，那他很可能无法享受生活中的快乐。
If a distribution is positively skewed, which of the following is true?
如果是分布是右偏的，下面哪一条是正确的？
If a person can't take care of themselves, how can they do well in other things?
如果一个人不能好好照顾自己，他怎么能把其他事情做好呢？
In French if a word begins with a vowel then it's linked to the previous word.
在法语中，如果一个单词的首字母是元音字母，那么它会与前一个单词连读。
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