推动因素可以是简单而轻微的事情，比如找不到合适的工作，也可以是创伤性的事情，比如战争或严重的饥荒。
A push factor can be as simple and mild a matter as difficulty in finding a suitable job, or as traumatic as war, or severe famine.
提高使用系统的人员的工作效率，改善应用程序和系统中的内容的易用性，是这一场景的关键驱动因素。
The key drivers for this scenario are improving productivity of the people who use the system and consumability of the applications and content that make up the system.
如果有人构建了两个数据中心，则高可用性几乎总是主要驱动因素；构建两个数据中心实际上没有其他任何目的。
If someone has constructed two data centers, high availability is almost always the primary driver; building two data centers really has no other purpose.
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