I think it's very useful. It may not be immediately apparent to people in Darfur, but in the end it is a contribution towards a solution to their problem."

VOA: standard.2009.10.23

English is a very good language to learn and it's very useful,

英语是一门值得学习的语言，它非常地实用，

要继续努力 - SpeakingMax英语口语达人

It depends on" is very useful when you're trying to make a decision when things are unclear and you're waiting.

当你在形势不明朗，仍在观望而无法做决定的时候，"It depends on"句型是一个非常有用的句型。

It depends on 课堂 - SpeakingMax英语口语达人