✅ 同义词
🗣️ 情景例句
Please do the work at your own convenience.
请在方便时把这事做一做。
I do not know whether you care to answer right away.
我不知道你是否愿意立即回答。
The fact that the policeman was prejudiced against foreigners could not be recorded in the official files.
警察歧视外国人的事在官方档案中不可能加以记载，