You need to understand the basis of safe mechanism, and how active passive perhaps precaution attack.

你需要了解安全机制的基础，以及如何主动的或者被动的预防攻击。

youdao

You need to understand the basis of safe mechanism, and how active passive perhaps precaution attack.

你需要了解安全机制的基础，以及如何主动的或者被动的预防攻击。

youdao