Expressions
n. 表情；公式；表达式；表示式（expression是复数形式）
🗣️ 情景例句
Bye-bye.
再见。
Virtue is her (or its) own reward.
为善最乐。
It was usually very quiet, and he could see the park from his window.
那儿通常很安静，从他的窗户他可以看见公园。