🧩 词语组成解析
[经] 交易
n. 运作；运营；业务操作（operation的复数）
🗣️ 情景例句
She suffered terribly when her son was killed.
儿子被杀，她痛苦至极。
When do you expect to have this ready for sale?
你希望此种商品何时上市出售呢？
Yes, It was a real pity!
可不是，太可惜了。