Unremunerative
a. 无报酬的, 无利可图的
✅ 同义词
🗣️ 情景例句
Well, if they're not,
噢， 假如店不开的话，
There's no such thing as a free lunch.
天下没有白吃的午餐。
Excuse me. What's your full name, please?
请问，您的全名是什么？