Unreturnable
a. 不能返回(或回收)的,无法归还(或偿还)的
🗣️ 情景例句
I guess we must.
我想咱们是该开始了。
It is one thing to speak much and another to speak pertinently.
话讲得多是一回事，讲得恰当是另一回事。
Certainly!
当然可以。