Substituendum
取[替]代物
🗣️ 情景例句
Oh, that's too bad, Robbie.
啊 ，那太遗憾了， Robbie。
I asked him to clean it for me, but he wouldn't.
我请他帮我清理，但是他不肯。
The last order didn't work out too well for us.
上回订的货用起来不怎么顺。