Conventions
n. 惯例；会议；约定（convention的复数）
✅ 同义词
🗣️ 情景例句
My parents set aside a college savings fund for me.
我的父母为我存了一笔上学的费用。
How long?
多长？
He can't write very much on a card, Mum.
在明信片上他写不了很多，妈妈。