这里要清楚的一个问题是，在进行预订时，必须保持数据库同步，或者为预订系统创建一个单独的进程。
One issue to be aware of is that you must keep databases synchronized when bookings are made, or create a separate process for the reservation system.
这是个非常复杂的问题，其中有许多因素在相互作用，并不是一个国家能够单独解决的，这是肯定的。
It is a very complex issue. There are a lot of interactive factors and one country alone is not able to solve the problem, that's for sure.
因此 在以前的步骤 用笔写下来 使用你单独的时间问你自己一个清晰的问题.
So, let’s use your alone time to ask yourself a clear question in writing.
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