Concentration of production
[经] 生产集中
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
To be away from the city on such a beautiful day
在这样美好的一天远离都市
Never put off till tomorrow what may be done today.
今日事，今日毕。
The doctor says that he will come at once.
医生说他马上就来。安迪，