在这个示例中，实际上有两个不同的子过程需要您关心：登记行程与订票和签发机票过程。
In this example, there are actually two different sub processes that you need to be concerned with: the process of booking the trip and the process of ordering and issuing the tickets.
在Google搜索结果中添加机票信息，可以让旅行者在制定行程的过程中更多地利用这些应用程序，这有可能对其它机票网站构成威胁。
Incorporating fares into Google search results would keep customers more engaged in its applications while they plan for travel, a prospect that could unnerve other fare sites.
如果有几个小程序，可以一次将它们全部加载，然后在开始运行时使用不同的入口点来运行程序，而不用重新执行整个加载过程。
If you have a few small programs, you could load them all at once, then use different entries when starting a run to run different programs without redoing the whole load process.
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