Operational reserve
[经] 营业准备
🧩 词语组成解析
reserve
[rɪ'zɝv]
n. 储备;保护区;保留;替补队员;
vt. 储备;保留;预约;
vi. 预订;
adj. 保留的;预备的;
re再+serve服务，保持→再留住→预定n. 内向，沉默寡言
🗣️ 情景例句
Michelle picked it out.
是Michelle选的。
It's none of my business,but I think you ought to work harder.
它是不关我的事，但是我认为你应该努力工作。
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的，因为当时人们面临着了解四季的实际需要，