Ref.
abbr. 文件编号（尤用于商业文件分类）\\n
🗣️ 情景例句
The economy is booming in this country.
这个国家的经济形势一片大好。
Could I speak to you, please?
我可以跟你谈话吗？
Don't forget anything.
别忘了什么东西。