安全成本是实现安全消耗的人力和物力的和。
正确答案:×安全成本是实现安全消耗的人力、物力、财力的总和,包括实现某一安全功能所支付的直接和间接费用。

上一篇 But it is hardly inevitable that companies on the Web will need to resort to push stra
下一篇 It was not until then that I came to realize that knowledge from practice.A. comes B.