so7

when you compare, you can see the different between  rich & poverty. Some thing is / h3 L& W; T2 h5 k3 ?1 Y, O
very interesting: The weekly expense on food in the Beijing family is almost as much as6 W, W+ `% K, H/ _! p
the family in California. After all their favorite food is only sweet & sour spare rib  , how come it is so expensive?