Objecto
[拉]抗议，异议
🗣️ 情景例句
Do you happen to know...
你是否碰巧知道…
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
Yes, of course. It's very easy.
那当然。煮它（豆腐）并不难。