它必须从如下认识开始：英国比自己所想的更为贫穷。
It must start from a realisation: the country is poorer than was thought.
这个函数，从它调用自己开始，就很好地使用了堆栈帧。
This function, since it calls itself, makes very good use of stack frames. Let's look at how the factorial function would work in assembly language (enter as factorial.s)
每个冬天，当气温骤降到新低，每个人都开始把自己层层裹紧，而且从杉木衣柜里不可避免地拽出秋裤并开始套着它四处走动的时候，经典笑话应运而生。
Eery winter, when the temperature plummets to new lows and everyone begins to layer up, the classic joke about pulling out Long Johns from the cedar closet inevitably starts to make the rounds.
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