Qos
abbr. Quality of Service 服务质量
🗣️ 情景例句
That is a great idea.
这是个好主意。
A duck will not always dabble in the same gutter.
一只鸭子不会常在同一条沟中玩水。
We had been in the hat shop for half an hour and my wife was still in front of the mirror.
我们在这家帽店已经呆了半个小时了，而我的妻子仍在镜子面前。