"Again,if people are not able to enter Gaza to repair equipment, therefore, equipment must be re-bought new.

VOA: standard.2010.06.01

that the suggested action has already been taken and therefore you do not want to do it again.

已经发生过的行为，因此你已经不再想重复了。

I've already 课堂 - SpeakingMax英语口语达人