Qcs
abbr. 质量控制系统（Quality Control System）
🗣️ 情景例句
Remembering the past was his only ple4asure.
回忆往事是他唯一的乐趣。
There is no time like the present.
机不可失，时不再来。
OK. See you here at two.
好的。两点钟在这儿见。