这项革新，比起现有的，更能满足一些而非绝大多数消费者。
This is an innovation that fulfils the requirements of some, but not most, consumers better than the incumbent does.
而且，绝大多数的采购是自助式的，没有IT的参与，是开发者而非苹果公司开发应用。
Moreover, the vast major-ity of purchases occur through self-services and without it intervention, and developers contribute new apps rather than Apple building them.
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