except,but,except for,but for用法辨析

Differences of Usages of "except","but","except for" and "but for

本文概述了except与but,except与except for,except for与but for在具体应用时的异同点。

This paper discusses briefly the similarities and differences in usages between 'except' and 'but','except' and 'except for', also 'except for' and 'but for'.