英语语法分析

Commas are hard. Hyphenation nearly impossible.

逗号非常难。连字符更是难如登天。

It needs these details to calculate line lengths, hyphenation, justification, and so on.

它需要这些细节来计算行的长度、连字符、对齐格式，等等。

On the Web, this isn't much of a concern because, as mentioned, there is no standard hyphenation control in browsers.

在网络上并不需要有过多的担忧，因为在浏览器中并有标准的连字控制功能。