Ppx
[计]= Packet Protocol eXtension,包规约扩充
🗣️ 情景例句
Well, anyway, if you have time next week, we can go then instead.
不管怎样，如果下周你有时间，我们也可以下周才去。
John stopped studying.
约翰停止学业了。
What are your payment terms?
你们的付款方式如何？