Qs
abbr. 质量标准（Quality Standard）；质量规范（Quality Specification）
🗣️ 情景例句
It makes a tremendous difference to me.
这对我来说差别极大。
He who makes himself a dove is eaten by the hawk.
弱肉强食。
Let me give you some more chicken. And have another pancake.
我再给你夹些鸡肉。再吃一块煎饼。