Pnni
[计] PNNI标准
🗣️ 情景例句
You're writing a book?
你在写一本书吗?
A little of every thing is nothing in the main.
每事浅尝辄止，事事都告无成。
We aren't able to supply the third ad fifth items.
第三及第五项目，我们没有货供应。