Having amused himself for some time with their curiosity, he finally explained.
他先拿她们的好奇心逗了一会儿乐，最后作了解释。
Finally, although one frequently hears claims that Albert Einstein once explained his own brilliance by reference to 10% myth, there's no evidence that he ever uttered such a statement.
最后，尽管人们常常听说阿尔伯特·爱因斯坦曾引用10%神话解释他自己的天才，但没有证据表明，他确实曾说过这样的话。
There I found an animation that explained the proper methods and terminology; my son and I watched the subtraction segment over and over until he (and I!) finally understood the process.
我终于找到了一本动画版的教程，所采用的方法相得益彰；我和孩子通过对减法分段部分一遍一遍地演示，(我！)和他也终于把这整个过程给搞明白了。
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