And so, even by units analysis, if the units come out right, you've got a good shot that unless you've really, really messed up, that the answer is going to be right.

甚至在单位分析中，如果你的单位正确，你就能做的很有条理否则会一团糟，而注意了单位你的答案才有可能正确。

麻省理工公开课 - 固态化学导论课程节选

If you're a dealer, you've got to keep your bid-ask at market; otherwise, you'll get only one side or the other, right?

如果你是中间商,你的出价必须与市场一致,否则就只能拆东补西

耶鲁公开课 - 金融市场课程节选

If something is true do this, else something is true, do that.

如果某些条件是真的，就做这件事，否则另外一些条件为真的话就做另外一件事。

哈佛公开课 - 计算机科学课程节选

All right, if this is purely a test of, if this is true do this otherwise I don't care, I don't need the ELSE clause in there to identify it. All right?

好，如果这真是一个测验，用来测试如果是真的那么进行一些操作,否则的话我不在乎，那么我不需要ELSE语句,来进行声明了对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

It's definitely an opportunity for help, but particularly, as an opportunity to work with someone for just a few moments to help get you unstuck or to get you past some stumbling block that, otherwise, if you struggled with on your own, you might sink or waste even multiple hours on just something that you're not seeing.

这是一个寻求帮助的机会，特别是，作为一个与某人一起工作的机会,他们能帮助你解决问题,或帮助你越过绊脚石，否则，如果你自己单独奋斗，你可能,浪费很多时间在,你不了解的东西上。

哈佛公开课 - 计算机科学课程节选

So if this is true do something else, true otherwise test and see if this is true, do something else, as many as I like followed by the end.

因此如果结果为true那么做一些操作，否则的话再看看这个表达式的值是不是，如果是的话做另外一些操作，我想要多少后面就可以跟多少。

麻省理工公开课 - 计算机科学及编程导论课程节选

-- Else if n is greater than 4 and n is less than 6 -- 7 let's call it medium -- else if n is greater than or equal to 7, -- less than or equal to 10 -- let's call it "big" -- and if the user typed in zero or negative 10 or 20 or whatever, let's just use the all-inclusive else block and just say, "You picked an invalid number."

否则如果n大于4，并且n小于-,我们叫它为中间数--否则如果n大于等于，小于等于10--我们叫它为“大数“,如果用户键入了0或者-10或20或其它的，让我们用一个广泛的else子句，只需要说，“你选了一个非法的数字“

哈佛公开课 - 计算机科学课程节选