英语中一些副词可替代名词短语，如 here（这里），then（当时；到那时；然后）, thus（从而，那么）等，如：

　　　I came to this city in 1990. I have lived here for more than ten years.

　　　He was still a child in the1930s. Most people lived a poor life then.

　　　A large number of advanced computers will be produced in the 21st century. And prices of them will be much lower then.

　　　The text runs thus. （原文如此。）

　　　Thus ended his life. （他的生命就这样结束了。）