Nonocclusion
[医] 开, 无
🗣️ 情景例句
Are you sending it by regular or by speed?
你要寄平信还是快递？
It's a hard job, but I hope he can make it.
这不是件容易的差事，但我希望他能做到。
Manners are quite different from country to country.
各国的礼仪各不相同。