Expense of production
[经] 生产费用
🧩 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
Who's your favorite writer?
你最喜欢的作家是谁？
He that runs fastest gets the ring.
捷足先登。
He has tasted the sweets and bitters of life.
他已尝遍了人生的甜酸苦辣。