as opposed to
释义：“与……相反、与……相对比”，通常用于引出一个插入语。在留学文书里可以用它来更清晰的体现自身成就所导致的变化，也可以利用对比解释一个西方读者所不熟悉的概念。
例句：
The plan calls for 36 races, as opposed to about 185 races worldwide that counted toward Derby selection under the previous arrangement.
A public historian, as opposed to an academic historian, Hartig's specialty is in saving the built environment.