But it's the third item - "how to use it" - that can only be learned over months of working with a language and that's where the real magic happens.

只有第三项，“如何使用它”-要花上你几个月的时间去跟这门语言打交道，真正的奇迹就在此发生。

youdao

Maybe you can use some trick to select the third item in a list, but how do you select an item that might appear in any position in a variable-length list?

或许，你可以用某种小技巧来选择列表中的第三项吧，但是你如何选择一个出现在可变长度的列表中任何位置的表项呢？

youdao

The third item in the security header is a <ds:Signature> block, with three child elements.

安全头部中的第三个项是一个 <ds:Signature>块，其中包含三个子元素。

youdao

The third item in the security header is a <ds:Signature> block, with three child elements.

安全头部中的第三个项是一个 <ds:Signature>块，其中包含三个子元素。

youdao