求助英语翻译：做之前思考这件事有没有回报。或者说：做事之前思考它值不值得做。 这种句子用英语咋说

做事之前思考它值不值得：Before I do this thing I'll think the value of it;
做之前思考这件事有没有回报：Do think about this issue before any return
能力有限仅供参考

English is translated: do before thinking this thing have return. English is translated: before you do think it is worth doing. This sentence in English

Think about whether it's worth it or not before you do it.

【翻译】Thinking its worth before acting本回答被提问者采纳