Qcs
abbr. 质量控制系统（Quality Control System）
🗣️ 情景例句
the bank needs to be sure
银行需要确定
I want to purchase some computers from your company.
我想从贵公司购买一些电脑。
I've never met him but I've talked to him on the net.
我没见过他，但我和他在网上聊过天。