1.Officials say the co-pilot flew the airplane directly into a mountain on purpose.
on purpose 有目的地,故意地
Was it an accident or did David do it on purpose?
是意外还是戴维故意所为?
I don't think he stepped on your toes on purpose.
我想他不是有意伤害你的感情 。
2.In the end, the final decision may come down to passengers.
come down to 归根结底,可归结为;实质上是
Our choices come down to staying here or leaving here.
我们的选择实际上就是留在这里还是离开这里两条道路 。
When you come down to it, however, the basic problems of life have not changed.
然而,归根结底,生活中一些基本的问题还是没有变 。