1. It's long been known that people claim to eat far less than they really do. Some studies suggest people underreport their caloric intake by 30 percent or more.
   众所周知，人们实际上宣称的食物消耗量要远远少于自己真正消耗的份量。某些研究也表明：人们实际上吸收的卡路里比他们认为的要多出30％或者更多。

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