如何用英语表示“后者也如此,即做了同样的事情”?

The latter is so, namely do the same thing

一般是先讲前者怎么样，然后后者就用so do来表示。例如：John saw the accident and so did Mary.约翰目睹了事故现场，玛丽也一样。

So does the latter one,both do the same thing.