Tcsec
可信计算机系统评价准则
🗣️ 情景例句
I've been doing this job for 25 years, and I tell you you're going to stuff it up doing things this way.
我干了这工作已有25年了，告诉你，你这样做事情，会把事情办糟的。
This part of the country is very flat.
这个国家这一部分很平坦。
I don't want to argue about it any more.
我不想为这件事再和你争吵。