Commercial knowledge
[经] 商业知识
🧩 词语组成解析
🗣️ 情景例句
I want to send this letter to China, by air mail.
我想把这封信航空邮到中国。
No way!
休想！
Shortly afterwards, the police stopped the car and both men were arrested.
没过多久，警察就截住了那辆车，两个小偷都被抓住了。