What will it profit you? 这对你有什么好处呢?

profit by counsel 得益于忠告
A wise person profits by [from] his mistakes. 【谚】 聪明人吃一堑,长一智.

clear [net] profit 纯利润,净利
gross profit, profit and loss
make a profit on (the sales of) used cars 卖旧汽车赚钱
sell it at a profit (of ten dollars) 出售此物而获利(十元)
He did it for profit. 他做这件事是为了赚钱.

gain [get] profit 得到益处
make one's profit of 利用…
I have read it with profit [to my great profit]. 我读这本书有收获[受益匪浅]
There is no profit in complaining [complaint]. 抱怨没有用.