众所周知，词汇是GRE考试的基础。那么怎样才能掌握GRE必备的词组呢？
这里为大家总结一些常用的核心词组，希望对各位备考有帮助。

本期GRE必备词组:
in advance of 在……之前

  释义:

If one thing happens or is done in advance of another, it happens or is done before the other thing.

 例句

Hackers look for computers with security flaws in advance of an attack.

 GRE

Marison was a scientist of unusual insight and imagination who had startling success in discerning new and fundamental principles well in advance of their general recognition.
Marison是一个具有非凡的洞悉力和想象力的科学家，远在某些全新的基本原理被人们普遍认识之前，他早就能够成功地令人吃惊地将其察觉发现。