Ref.
abbr. 文件编号（尤用于商业文件分类）\\n
🗣️ 情景例句
I'm not sure I'm up to it.
我不能肯定我是否能做得来。
No wrong without remedy.
无错不可纠。
Sam Benton, the local butcher, had lost his wallet while taking his savings to the post office.
本顿在把存款送往邮局的途中把钱包丢了。