Once you think about it you will realize that one or two, if not all three were likely to have happened by chance.
一旦你想到它，你就会意识到一件或两件事，如果不是全部三件事，都有可能是随机发生在你身上。
Once we have one object, there are two ways to create any child data objects.
有了一个对象之后，即可通过两种方法来创建子数据对象。
One of the most famous stories about Galileo is that he once dropped two metal balls off the Leaning Tower of Pisa to prove that heavier objects do not fall faster than lighter ones.
关于伽利略有一个著名的故事：有一次他从比萨斜塔扔下两个铁球，想要证明较重的物体并不较轻的物体下落速度快。
You can also add one teaspoon of green leafy vegetable juice to your baby's milk bottle once in two days.
你也可以两天一次地加上一茶匙的绿叶蔬菜汁到你宝宝的奶瓶上。
People who breed the dogs complain that only one of them can be brought to the championship every year as it's impossible to handle two dogs at once.
养狗的人报怨每年只能有一只拿到冠军，因为不可能一次控制两只狗。
Once at Ford, he revived the Taurus — one of the manufacturer’s leading sellers — which lead to the company’s first profitable quarter in two years.
他一到福特，就复活了Taurus（金牛）——旗下最好卖的牌子之一从而实现在两年的首个季度盈利。
The glacier withdrew inland to the region where its main two tributaries join, and for the last few years, there have been two fast-flowing glaciers where once there was one.
冰川撤退到有其主要的两个支流加入的内陆地区，在过去的几年里，原本只是一条的冰川分成了两条快速流动的冰川。
Don't try to do two important things at once. You can't. Either you will do one well and the other poorly, or fail in both.
不要试图同时做两件重要的事。你办不到的。你要不就是把其中一件事做好，另一件做差，要不就是两件都做不好。
Once you meet one or two folks in the know, they'll probably be able to tell you about parties or communities you'll want to know about.
一旦你遇到一个或者两个有共同语言的人，他们很有可能告诉你所想要知道的相关的派对或者组织。
Once the two bills are reconciled into one and sent to his desk, he can veto it.
一旦两项法案合而为一并送达其办公桌，他可以予以否决。
Doug Garr, who lives in Manhattan, said that once his son was old enough to understand that the family had two homes, his son suggested giving one to a homeless person.
家住曼哈顿的道格·加尔说他的儿子曾经在能够理解自己家有两栋房产的时候建议他把其中一栋送给一个无家可归的人。
Once it had been decided to keep at least one of the two new aircraft-carriers under construction, the idea that Britain should give up flying jets from them for a decade made little sense.
最后，一旦决定在建的两艘新航母中至少保留一艘，那种认为英国可以在十年的时间内有航母而没有舰载机的想法简直不可理喻。
But I took no notice o't, thinking it to mean that we had once kept two horses where we now keep only one.
可是我却没有在意，心想只是说我们现在只有一匹马，而过去我们曾经有过两匹马。
Two men, two lives - one man who freely enters a part of his village from which he was once prohibited, and another who can no longer return home to the fields his family used to own.
两个男子，两种命运。一个如今在家乡的村庄里，可以自由出入过去不得进入的地方；而另外一个，可能永远都不会回到家族曾经拥有的那片土地。
Once one of the two poles in the world, Russia is now considered among the ranks of new rising powers — not a bad group to be in, but clearly a step down from its previous position in global affairs.
曾一度是世界两极中的一极，俄国现在被归为新兴国家行列。 虽然位居此行列也并不差，但比起以前，它在全球事务中的地位明显下降。
Once we have one or more physical volumes initialized for use by LVM, we can move on to step two -- creating a volume group.
在初始化LVM使用的一个或多个物理卷后，可以继续进行第二步 --创建卷组。
If they do drink, however, they are advised to drink only one to two units once or twice a week.
即使饮酒，也应每周一次或两次，每次一至两杯。
“Once they narrow it down to one or two, I'll start paying attention, ” he added, according to clips of the interview released by NBC.
根据NBC发布的采访视频片段来看，奥巴马后来又补充了一句话：“一旦共和党竞选缩小范围锁定了一两位候选人，我会开始关注。”
There once were two poor woodsmen who made a living by collecting woods in the mountain. One day, they happened to discover two large bag of cotton in the mountain and felt surprisingly happy.
有两个贫苦的樵夫靠上山捡柴糊口，有一天，他们在山里发现两大包棉花，两人喜出望外。
No one yet knows when the right moment will come to insist that the banking sector once again stands on its own two feet.
因为没有人知道银行部门何时再一次脚踏两只船。
Once the quiz is completed parents receive one of two answers: "you have nothing to worry about, your son is not gay."
父母在对自己的孩子测试完毕后一般会得到两种结果。
The peculiar advantage of quantum bits is that thanks to the strange laws of quantum physics, they can be in two states at once — both one and zero simultaneously.
量子位的优势在于量子物理的独特法则，它们可以同时处在两种不同的状态——既是0也是1。
Instead of having the client code make two calls on Cart, one to obtain the contents and one for the total price, I want to send all of this data to the client at once.
为了不让客户代码对Cart做两个调用(一个获得内容，一个获得总价)，我想把这些数据一次全都发给客户。
Earth may once have had two moons - the one that shines at night today had a smaller companion, according to a new theory.
据英国《每日邮报》8月3日报道：一项新的理论表明，如今在夜晚照耀地球的月亮曾经有一个“小伙伴”，它们一度共同绕地球运行。
Once they have agreed to support the boar they will promise it two feet two ears and one tail from which they will manufacture a truly porcine member.
他们再一次地同意支持野猪，他们会承诺它两只脚，两只耳朵和一条尾巴，他们会制造一个真正的猪的成员。
Once the fire guys are down, you have one or two rock elementals to deal with.
当火焰怪倒下后，你的宠物可以上去打那一两个石头元素。
Albatrosses breed once every one or two years. While rearing youngsters, parents undergo journeys of thousands of miles to find food.
信天翁每一或二年繁殖一次，为了喂养孩子，他们跋涉数千英里去觅食。
Tickets valid is according to the distance: 500 km or less is two days, more than 500 km, once increase 500 km add one day, less than 500 km is also calculated.
答题要点：客票有效期按乘车里程计算：500公里以内为两日，超过500公里时，每增加500公里增加一日，不足500公里的尾数也按一日计算。
Tickets valid is according to the distance: 500 km or less is two days, more than 500 km, once increase 500 km add one day, less than 500 km is also calculated.
答题要点：客票有效期按乘车里程计算：500公里以内为两日，超过500公里时，每增加500公里增加一日，不足500公里的尾数也按一日计算。
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