放水与诱饵，天下没有白吃的午餐，要捞好处就必须有付出。

Water and the bait, there is no free lunch, want to get benefits, you must have to pay.

youdao

经济学家会说天下没有白吃的午餐，别的人则会说好东西来之不易。

Economists will say that there is no free lunch. Others will say that nothing good in life comes easy.

youdao

我要指出的事实只不 过是，天下没有白吃 的午餐。

I'm merely stating the fact that nothing is for free ; 13.

youdao