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
If you need anything, day or night, just give me a call.
如果你需要什么东西，不管是白天还是晚上，只要打电话给我就行。
They lived in perfect harmony.
他们相处得十分和睦。
I don't think it is advisable that Tom be assigned to the job since he has no experience.
我觉得把这工作交给汤姆做并不明智，因为他没有经验。