hacker 专八四级六级

Finding good code to read used to be hard, because there were few large programs available in source for fledgeling hackers to read and tinker with.

过去找到适合阅读好是困难，因为几乎没有大型源能让新手练手。

They think of viruses that infect an organization from the outside.They envision hackers breaking into their information vaults.

他们考虑来自外部感染公司病毒，他们设想黑客侵入到信息宝库中。