You should try to have a good relationship with your neighbors, because you never know when you may need their help.
你应该努力与你的邻居保持良好的关系，因为你永远不知道什么时候会需要他们的帮助。
Life is like a box of chocolate, you never know what you are going to get.
人生就像一盒巧克力，你永远也不知道下一块吃到的会是什么滋味。
Since you never know what the future will bring, it’s futile to try to control events.
既然你永远不知道未来将发生什么，试图去控制事件的发生是没有意义的。
The best way to learn is by doing, and you never know what will happen until you try.
最佳的方法便是通过实践来学习，你永远都不知道会发生什么直到真正的尝试。
Fish says to water: I am crying all the time, but you never know, because im in the water.
鱼对水说：我整天哭泣，不过你看不见我的眼泪，因为我在水中。
Never frown, even you're sad, because you never know who is falling in love with your smile.
纵然伤心，也不要愁眉不展。因为你不知谁会爱上你的笑容。
Never frown, even in sad, because you never know who is falling in love with your smile.
不要皱眉，即使在伤心的时刻，因为你从不知道有谁会醉心于你的笑容。
Never frown,even when you are sad,because you never know who is falling in love with your smile.
纵然伤心，也不要悉眉不展，因为你不知是谁会爱上你的笑容。
Trouble is, without the discipline of the free marketplace, you never know what the demand really is.
问题是，在自由市场行为准则缺失的情况下，你永远不知道市场真正的需求如何。
One of the beautiful things about Montreal is that you never know in what language you will be greeted.
在蒙特利尔最美妙的事情就是，你永远都不知道别人会用哪种语言向你问好。
One of the uncertainties of military duty is that you never know when you might suddenly get posted away.
军事任务的一个不定因素是，你决不知道什么时候会被突然调离。
Always remain eager to learn; you never know what knowledge or capability will push you up in your career.
一直保持学习的愿望，你永远不知道哪些知识和能力会将你的职业推向前去。
Accept all invitations. Even if it is to a neighborhood street party, you never know who else will be there.
接受所有的邀请：即使是到邻居家参加小区的聚会，你不会知道谁将会到来。
Most impotantly, if you LOVE someone, tell him or her, for you never know what tomorrow may have in store.
最重要的是，如果你爱某个人，就告诉他/她。因为你不知道明天将会怎样。
Dress and conduct yourself in a professional manner everywhere you go because you never know whom you'll meet.
时刻注重着装、言行的得体，因为你永远不会事先知道会遇到谁。
Remember, you never know when you might work with your former team members again, so don't brag or complain on your way out.
请记住，您永远不会知道什么时候您可能会与您以前的同事再次共事，所以，不要在您即将离开时炫耀或抱怨。
It's better to overestimate in the beginning. After all, you never know what piece of data might turn out to be interesting.
但最好还是在刚开始就多存储一些数据，毕竟，您永远也不会知道哪些数据可能会派上用场。
You've heard it before and you'll hear it again: watch what you say about yourself online, you never know who's taking notes.
你可能听说过这句话，这里我们再重复一次：当心在网上说关于自己的话，你根本不知道谁在记录你的话。
Sometimes, you should try to get out there even if you don't feel like it, you never know who you'll meet or what might happen.
有时，你应当强迫自己出行——尽管你可能并不喜欢外出——你不知道下一秒会遇见谁，或者会发生什么事情。
So might she give up her fabulous glamorous life for something more normal in the near future? We hope not, but you never know.
我们希望最好别这样，但我们也永远无法知道她究竟会做出什么选择。
But you never know unless you ask, and you'll gain confidence when you realize how many people are actually pleased to hear from you.
但你不去问的话你永远不知道，而且当你发现其实有很多人很乐意与你联系，你将更有信心。
Her advice is simple: "Be smart about what you put on the Internet, because you never know who is looking at what you have on there."
她直截了当地建议道：“在网上上传信息时一定要聪明谨慎些，因为你永远不知道究竟谁在看你的这些信息。”
Still, sometimes it's useful to know exactly what is available; you never know when creativity will strike and you'll need the HEAD request!
不过，有时确切地了解目前什么可用也是非常有用的；您永远不会知道何时创造力就会迸发或者何时需要 HEAD 请求！
This is handy when testing Web applications because you never know how long it will take the Web page to finish loading and rendering information.
在测试Web应用程序时这是非常方便的，因为你并不知道下载网页和显示信息需要多少时间。
Running AdminP during prime shift can be somewhat like running agents in that you never know exactly how many resources your AdminP updates require.
在主要班次期间运行adminp有点像运行代理，因为您永远也不知道AdminP更新到底需要多少资源。
Things become even more complicated when you're using a third-party library, because you never know which parts of the library are reentrant and which are not.
如果使用第三方程序库，事情会变得更为复杂，因为您永远不知道哪部分程序库是可重入的，哪部分是不可重入的。
Things become even more complicated when you're using a third-party library, because you never know which parts of the library are reentrant and which are not.
如果使用第三方程序库，事情会变得更为复杂，因为您永远不知道哪部分程序库是可重入的，哪部分是不可重入的。
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