It could be a PIN unlock code, a fingerprint or face scan, or a physical security dongle.

可能是PIN解锁码、指纹或面部扫描，或者是安全硬件加密狗。

Physical security is easy to understand.

物理安全很容易理解。

In return, the landlord guarantees basics like space, physical security, access to power and cooling.

作为回报，房东保证空间、人身安全、电力和制冷等基本设施。

At the next level are safety needs, the things we require for physical and emotional security.

下一个层次是安全需求，即我们身体和情感安全所需的东西。

Even while your physical security may seem to decline, you'll actually feel relieved to leave an unfulfilling job.

即使您的人身安全感似乎有所下降， 但您实际上会因为离开一份没有成就感的工作而感到宽慰。

Then, what is the next level of needs? At the next level are safety needs, the things we require for physical and emotional security.

那么，下一层次的需求是什么？下一个层次是安全需求，我们需要的是身体和精神上的安全。

And then the military, the security would be funded by the Gulf states, maybe the US, with a lot of the physical security provided, probably, by Egypt.

然后，军事、安全将由海湾国家（也许是美国）提供资金，而大量的实体安全可能由埃及提供。

Just as how we have physical security like locks, fences and police officers to minimize crime in the real world, we need cybersecurity to minimize crime and harm in the virtual world.

正如我们如何通过锁、栅栏和警察等物理安全措施来最大限度地减少现实世界中的犯罪一样，我们也需要网络安全来最大限度地减少虚拟世界中的犯罪和伤害。

What if I lost my job? What if I were struck down by a severe disease? Besides physical security, we need to think we are safe from misfortunes both now and in the foreseeable future.

如果我丢了工作怎么办？如果我被一种严重的疾病击倒了怎么办？除了人身安全之外，我们需要认为我们现在和在可预见的将来都不会遭遇不幸。