Numerical security
[计] 数字安全·数字保密
🧩 词语组成解析
🗣️ 情景例句
You really don't look your age.
你看起来比你的年龄要年轻。
What kind of work do you do? Are you a salesman?
你做什么样的工作？ 你是一售货员吗？
I'm afraid not. She isn't here at the moment. Can I take a message?
恐怕不行。她这会儿不在。有话要我转告吗？