我们将考虑以下问题：什么是IMS？
So what is the business case for IMS?
那么，什么是IMS的商业案例呢？
As a result, you may wonder why we need IMS.
因此，您可能会觉得奇怪，为什么我们还需要IMS呢？
All of that being said, IMS is not something that happens overnight.
尽管如此，IMS并不是一夜之间就发生的事情。
Since then, the IMS grew to be the World's Largest Magic Organization.
从那时起，在IMS成长为世界最大的魔术组织。
In this case, you have IMS on the backend, where the PhoneBook application is running.
在这种情况下，您在后端拥有IMS，而PhoneBook应用软件在其上运行。
In this case, you have IMS on the backend, where the PhoneBook application is running.
在这种情况下，您在后端拥有IMS，而PhoneBook应用软件在其上运行。
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