Gainless
a. 无利可图的, 没有进展的, 一无所获的\\n[经] 无利可图的, 一无所获的
✅ 同义词
🗣️ 情景例句
When was it built?
它是什么时候建造的？
Great boast, small roast.
说得天花乱坠，成事微乎其微。
I was able to tell him that he had pulled out the wrong tooth.
我总算有可能告诉他，他拔错了牙。