So the open curly brace followed by the closed curly brace means everything inside of these curly braces should get executed, but only if that first condition is actually true.

所以左花括号后面跟着,右花括号，这意味着花括号里面所有的代码,都应该是要被执行的，但只有当第一个条件是正确的。

哈佛公开课 - 计算机科学课程节选

Like when we went to go see Wicked, we did it on the lottery and it cost us $26 or so per ticket

比如说我们去看《魔法坏女巫》，我们被抽中了，每张票大概只花了26美元，

实惠的歌舞剧 - SpeakingMax英语口语达人

Part of what we're doing in Princeton everyday is running to the next thing, to the next thing, to the next thing, always remind us on the next thing, and here you take a moment and realize the incredible richness of this moment.

我们每天在普林斯顿,都要奔向下一件事，下一件事，下一件事，总是被提醒着有下一件事，此时，花一些时间,体会到此刻,无可比拟的丰富。

普林斯顿公开课 - 人性课程节选

You've got to spend the time to make sure that everything is well defined before you start trying to work out these problem More about the path. There are a couple ways you could go through that pass If I look at this smooth path here.

你要花时间确认,在你开始尝试解题前,切已经被很好地定义,关于路径还有些问题,你可以用两种不同的方式经过这条路径,看这条平滑的路径。

麻省理工公开课 - 热力学与动力学课程节选