Special operator
[计] 特殊算符
🧩 词语组成解析
🗣️ 情景例句
A kind of a fifty-year anniversary reunion.
等于是五十周年重逢聚会。
Just to be on the safe side.
为了安全起见。
It's the library's. Please be more careful from now on!
“是图书馆的书。从现在起请你倍加小心！”