HOW much pocket money do you get from your parents every month – 200 yuan? Some may need more to buy birthday presents, fast food lunches, ice creams and cartoon books.But for Li Beibei, 30 yuan each month is enough. The only thing she buys is lunch – 1.5 yuan each day. "My favourite is fried potato slices (炒土豆片) and rice," said Li. "But meat is too expensive for me."