用户发起网络调用时，通过系统调用接口进入内核的过程应该是多路的。
When a networking call is made by the user, it is multiplexed through the system call interface into the kernel.
越来越多的进入移动世界时，用户一天中经常在几个不同的设备间工作，我们需要统一的应用和数据接口。
As we move into a world that is increasingly mobile, where users often work across several different devices in the course of their day, we need unified access to our applications and data.
越来越多的进入移动世界时，用户一天中经常在几个不同的设备间工作，我们需要统一的应用和数据接口。
As we move into a world that is increasingly mobile, where users often work across several different devices in the course of their day, we need unified access to our applications and data.
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