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.
美国不能依靠等待来控制其债务【不能永远不控制它的债务】，它需要制定可靠的中期削减赤字计划。
America cannot wait for ever to rein in its debt. It needs to lay out credible plans for medium-term deficit reduction.
美国不能依靠等待来控制其债务【不能永远不控制它的债务】，它需要制定可靠的中期削减赤字计划。
America cannot wait for ever to rein in its debt.It needs to lay out credible plans for medium-term deficit reduction.
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