Qs
abbr. 质量标准（Quality Standard）；质量规范（Quality Specification）
🗣️ 情景例句
What are your greatest achievement?
你最大的成就是什么？
How will we know whether it can have a positive effect on the company?
我们怎么会知道它对公司能有积极的效果呢？
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。