“你不会太需要它了，”爱丽丝说，“住在海底。”
"You couldn't have wanted it much," said Alice, "living at the bottom of the sea."
除非你是一个计算机高级用户，或者你要深入进去解决一些硬件或软件问题，否则你将永远不会接触到它，甚至不需要考虑到它的存在。
Unless you are an advanced user, or you run into some sort of hardware or software problem, you'll almost never interact or even need to think about the kernel itself.
你需要的时候，它随时都在那，但你不会不由自主地花掉它。
It'll be there when you need it, but you won't be able to spend it spontaneously.
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