Queueing problem
[计] 排队问题
🧩 词语组成解析
[计] 排队, 队列
🗣️ 情景例句
Earth day should be every day.
每一天都应该是地球日。
Oaks may fall when reeds stand the storm.
树大招风。
It's the same colour.It's green, too.
一样的颜色， 也是绿的。