Because of some reasons, the network manager can seldom apply a full security test of his system in time.

网络管理人员由于种种原因，很难及时、全面地测试系统的安全性。

youdao

Because of some reasons, the network manager can seldom apply a full security test of his system in time.

网络管理人员由于种种原因，很难及时、全面地测试系统的安全性。

youdao