That said, with the exception of protection against internal application attacks, most of the security hardening steps suggested in this article are fairly low cost.
因此，除了保护内部应用程序免受攻击外，本文中建议的大多数安全性加强步骤的成本都相当低。
2
Changing the exception to an assertion removed the blessed protection of the precondition tests.
将异常处理改为断言去掉了前置条件赐予的保护膜。
3
The one exception: Sony and the Nook use the same copy-protection scheme.