在要老大我给他分别解释“找钱”和“Trillion”后，一天早晨，小冲浪领悟地跟老大我说，“Daddy, if you have too much money, and when you buy a new car, the car sales people will have to give you a trillion dollars change. That's a problem!”

老大我给他解释，“While having too much money can be a problem, for most people, including us, having too little money is more often the problem.”

小冲浪有点困惑不解的样子--或许这个句子或逻辑太复杂了？老大我想，怎么简化一下可以讲清楚？然后又想，算了，不用画蛇添足了，小冲浪自己慢慢就会明白我们不存在钱太多这个问题。

还有找太多钱的问题，我也懒得解释了。想着那些个car sales people神气活现的样子，就让他们在小冲浪的想象里发愁一下怎么找一个Trillion好了。

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