Qcs
abbr. 质量控制系统（Quality Control System）
🗣️ 情景例句
The carpet's worn out. Let's put in new wall-to-wall carpeting.
地毯已很破旧了， 我们需要装一套新的。
What's bothering you?
什么在困扰你？
in fact they did nothing of the kind,
实际上那是根本不行的。