Security instruction
[法] 安全指令
🧩 词语组成解析
🗣️ 情景例句
Speaking of promoting the book,
说起促销书的事
Which one is more economical?
哪一个是比较经济的？
That's good to hear.let's take a look at your prices.
那好，我们来看看你的报价吧。