我们可以开始写复杂点的表达式了，你可以想象，我们有一个很多括号的表达式，里面有各种各样的东西，什么问题。

We can start having complex expressions, you can imagine we can have things are lots of parens, and all sorts of things in it. Yes, question.

youdao

最后，我们看到第二个子表达式，它除了有由方括号组成的“不引用”运算符外，还有一个加号。

Finally, we get the second child subexpression, which other than the "don't refer" operator consists of some stuff in square brackets, and a plus sign.

youdao

在gnu C中。一个包在圆括号里的复合声明有可能是作为表达式的。

A compound statement enclosed in parentheses may appear as an expression in GNU c.

youdao

We can start having complex expressions, you can imagine we can have things are lots of parens, and all sorts of things in it. Yes, question.

我们可以开始写复杂点的表达式了，你可以想象,我们有一个很多括号的表达式，里面有各种各样的东西，什么问题。

麻省理工公开课 - 计算机科学及编程导论课程节选