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
Well, it always worked for me, too.
嗯， 这办法对我也累试不爽。
My drink is cool and refreshing.
我的饮料冰凉清爽。
But in an old man who has known human joys and sorrows,
可是老年人已经饱尝了人间的甘苦，