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

There has been, over the years a lot of turf battles between the SEC and the CFTC because it's sometimes unclear whether something is a security or a futures.

历年来,证券交易委员会和期货交易委员会的领域战争层出不穷,因为有时候很难说,一个东西究竟是证券还是期货。

耶鲁公开课 - 金融市场课程节选