Nonremunerative
无偿的, 不合算的
🗣️ 情景例句
It's a privilege to know you.
认识您是我的荣幸。
Sow the wind and reap the whirlwind.
恶有恶报。
I realized sadly that I had been completely defeated by their ingenuity.
我懊丧地感到败在了足智多谋的蚂蚁的手下。