Conventions
n. 惯例；会议；约定（convention的复数）
✅ 同义词
🗣️ 情景例句
When was your last day off?
上次休假是在什么时候？
You've done me a great favour.
您帮了我大忙。
You look as if you didn't care.
你看上去好像满不在乎。