当时我不知道是什么导致它。

At that time I did not know what was causing it.

youdao

是什么导致了它的繁荣和萧条？

What caused the boom and bust?

youdao

即使她确实承认了，她也可能决定忽略它、将问题推给其他人去解决、或指责其他人导致了问题的产生，然后什么都不做。

Even if she does acknowledge it, she may decide to ignore it; push it off on to someone else to fix; or blame someone else for causing it, then fail to do anything about it.

youdao