.. The problem with Sadow's suitcase-- I actually had one and you might have one in your attic.
沙度发明的行李箱问题出现在-,实际上我也有一个,你们的阁楼里可能也会放着一个。
So my student called Bernard Sadow up and asked him about his invention and he said, "Yeah, I was thinking, why don't we have wheels on suitcases?
于是我的学生打电话给伯纳德?沙度,然后询问了他关于发明的事情,他说道,是啊,我当时在想,我们为什么不能在行李箱上安轮子呢?
The idea of putting wheels on suitcases goes back only to 1972 and it was Bernard Sadow who invented-- this is amazing, right--the wheeled suitcase and he got a patent on it.
在行李箱上加轮子的想法,可以追溯到1972年2,是伯纳德?沙度发明的-,这很神奇,对吧,并且他凭此获得了专利。
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