如果不要求使用同步调用，那么在使用“async”方法后将获得更高的性能。

If you do not demand a sync invocation, you can have high performance after the "async" method is used.

youdao

如果不要求Guice构建FrogMan，这个注释对代码行为就没有任何影响。

If you don't ask Guice to create FrogMan, the annotation has no effect on the code's behavior.

youdao

我相信这句格言：“如果它没坏，不要去修理它。”

I believe in the maxim "if it ain't broke, don't fix it."

《柯林斯英汉双解大词典》

Please don't, if you are up here, become complacent because a month from now we will have another test.

如果你考得不错的话，请不要自满,因为在一个月后我们将还有一次测试。

麻省理工公开课 - 固态化学导论课程节选

Do you have a visceral sense, "oh, don't do that"? If you do, you were probably taught, like me: "never, never damage a book.

你们想发自肺腑地说一句：“哦不，不要这样“吗，如果是，那你们和我从小被教育的一样：绝对不要损坏书本。

耶鲁公开课 - 1945年后的美国小说课程节选

It's not a good thing if you're just looping and checking some condition, but never actually changing the state of the world.

这不是一个好事情，如果你只是循环,检查一些条件，但是永远不要改变世界上的国家。

哈佛公开课 - 计算机科学课程节选