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when you compare, you can see the different between  rich & poverty. Some thing is & ]0 [1 D6 o/ l2 L* [7 ?4 j
very interesting: The weekly expense on food in the Beijing family is almost as much as0 U/ }$ a8 {* \7 E
the family in California. After all their favorite food is only sweet & sour spare rib  , how come it is so expensive?