商务英语口语对话:网上开店赚大钱

cash in (on something):to gain an advantage for yourself from a situation, especially in a way that other people think is wrong or immoral 从中牟利;捞到好处
The film studio is being accused of cashing in on the singer's death. 那家电影制片厂受到指责,说他们利用这位歌手的死来赚钱.

go all out for something;go all out to do something
to make a very great effort to get something or do something 竭力获取某物;全力以赴做某事;鼓足干劲做某事

来源:和谐英语-口语频道