今年几起严重的客户和雇员资料泄漏事件使得管理者们匆忙仔细检查他们复杂的信息系统和业务流程，以寻找可能存在的安全隐患。
Several massive leakages of customer and employee data this year have left managers hurriedly peering into their intricate IT systems and business processes in search of potential vulnerabilities.
除非您仔细检查，否则您无法知道磁盘子系统实际的平均存取时间或吞吐量。
Unless you measure carefully, you don't know the true average access time or throughput of your disk subsystems.
但假以时日，铁路将会遭到磨损，而我们的系统会始终仔细检查着每个细小的变化。
But given time, the rail will take a lot of wear and tear, and our system will scrutinise every small change at all times.
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