Qcs
abbr. 质量控制系统（Quality Control System）
🗣️ 情景例句
Right.
好的。
What's the big deal?
这有什么大不了的？
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。