1)He became an oil baron -- all by himself.

他成为一个石油大王——一个白手起家的石油大王。

2)This has been our position -- but not theirs.

这一直是我们的立场——而不是他们的立场。

3)John is your friend as much as he is mine.

约翰既是你的朋友，又是我的朋友。