Foreground-background scheduling
[计] 前台-后台调度
🧩 词语组成解析
n. (画等的)背景;底色;背景资料;配乐;
back背后+ground场地→背景,后台,经历
🗣️ 情景例句
How much is a round-trip ticket to Beijing?
一张到北京的来回票要多少钱?
who has beenworking or worrying about serious things for six days,
为严肃的公务操劳或烦恼了6天的
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