返回参数加一，就是这样。

It returns its argument plus one, that's it.

youdao

返回参数应该为空，除非在函数里。

Return's parameter should be blank except inside a function.

youdao

第二，如清单4所示，调用的方法也可以拥有返回参数。

Second, as Listing 4 shows, the invoked method can also have a return parameter.

youdao

PROFESSOR: And so in this case, it's using the same piece, but it's returning that middle value that says they're actually the same.

教授：那么实际在这个例子中，我们用的是同一个函数，它返回了中间的值也就是,0来表明着两个参数。

麻省理工公开课 - 计算机科学及编程导论课程节选

The prototype is just its return value, its name, and its arguments, if any.

原型就是他的返回值，它的名字，它的参数之类的。

哈佛公开课 - 计算机科学课程节选

Now, less than is just, if you haven't used it before, it's just the operator you'd expect, it's comparing two things and it's going to return either true or false depending on whether the first argument is false less than the second argument.

现在，小于这个符号是，如果你之前没用过它的话，它就是你期望的那个运算符，它会比较两个独享,然后基于第一个参数是不是,小于第二个参数,返回true或者。

麻省理工公开课 - 计算机科学及编程导论课程节选