为什么需要发明“鸡尾酒”来代替它？

Why does a "beer cocktail" need to be invented instead?

youdao

世界上的任何东西都不能代替它。

I wouldn't change the experience for anything in the world!

youdao

花园门的绳子不够结实，于是他用金属线代替它。

The rope of the garden door was not strong enough, so he replaced it with wire.

youdao

They thought, for example, if you could do something with one element, if you looked at an element very close to it, it would be similar enough that you could maybe replace it with that.

他们认为，比如，用一种元素可以做的，用它邻近的元素，代替它的位置,也应该能做到。

麻省理工公开课 - 化学原理课程节选

But that is too long. So instead we just say, "How about". You can use "How about" in any situation.

但是这样的说法太长了， 所以我们一般就说“How about”来代替。它适用于各种语境。

How about 课堂 - SpeakingMax英语口语达人

And then these things, these body parts, are then referred to with the pronoun "it"; "it," the hand, did this or that.

这些身体部分后来，都被“它“这个词代替了，都是写“它“做了这，做了那。

耶鲁公开课 - 1945年后的美国小说课程节选