C2
[计] 操作系统安全性级别c2
🗣️ 情景例句
I cried because I miss them all.
我哭因为我想念他们。
We are really glad to see you so constructive in helping settle the problems as regards the signing of the contract.
我们很高兴您在解决有关合同的问题上如此具有建设性。
Different countries, different weather
不同的国家，气候各异