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We had out of Norway, a program where a student developed a new type of ski sock that had a special padding in it, and was actually able to get a patent on that and has taken it to market and been very successful.
VOA: standard.2009.12.04
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So, in fact we may not find a sock at all and yet we don't seem to handle that at all unless if we don't find any socks, what do we do?
实际上我们可能找不到袜子,并且不用处理那些事情,前提是我们没有找到任何袜子，我们做什么呢？
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If you find a matching sock which you didn't so then else.
如果你找到相匹配的袜子就执行接下来的代码,否则就执行其他。
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So this is an 'in shoes', be careful where we are here, this is an 'in shoes in shoes' argument, at which point you might want to invent the sock.
所以这是一个不断换位思考式的过程,注意一下这里的措辞,这是一个换位再换位思考的过程,说明我们也要换来换去思考
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Okay, if you find the sock then put on sock.
好的，如果找到袜子就穿上它。
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We saw this with the sock algorithm a moment ago.
我们前面看到了袜子算法。
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Excellent, look for sock, alright.
太好了，找袜子。
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Remove first sock from foot.
把第一双袜子从脚上脱下。
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Look for matching sock.
找相匹配的袜子。
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We replenish the sock drawer.
我们补充袜子到抽屉里。
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So the fact that line 9 did not match, if you find a matching sock which we didn't, that means we immediately jump to the else which is line 13 and so Philip now has to do what?
事实上，第九行我们没法匹配，如果你没找到匹配的袜子，这意味着我们立即跳转到第13行,所以现在Philip做什么？
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