Saor
[计]= System Analysis/Operational Research,系统分析/运筹学
🗣️ 情景例句
Maybe he's angry.
也许他在生气。
Please call before you come,otherwise we might not be home.
请在你来前打一下电话来,否则我们可能不在家。
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。