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when you compare, you can see the different between  rich & poverty. Some thing is 3 `, H, s9 w* D  d8 l8 k: k% P# c
very interesting: The weekly expense on food in the Beijing family is almost as much asos.tvboxnow.com0 k3 w& U9 J2 q. P, J* [
the family in California. After all their favorite food is only sweet & sour spare rib  , how come it is so expensive?