给三行代码加一行注释，只需要你几秒时间。

It only takes a second to add an additional comment line for each 3 lines of code.

youdao

作者为此常常采用的一种技巧是把对于理解当前例子不是必需的代码段用一行注释来代替。

This is often achieved with substituting blocks of code with a single lined comment when such blocks are not essential for the understanding of the current sample.

youdao

第51行是描述PageHook函数的注释块的开始。

Line 51 is the start of a block comment that describes the PageHook function.

youdao