translation.en: Now, you can see, this is the problem of shifting comparisons, because what you're doing is, you're comparing the 100 bucks to the purchase that you're making, but when you go to spend that money you won't be making that comparison.
translation.zh: 现在你看到了， 也是“转移比较”的问题。 因为你在比较100美元 和你要买的东西之间的关系。 而当你去花这笔钱的时候， 你不会再做那样的比较了。