In general, the price of nontraded commodities is determined by world demand and supply conditions , while the price of traded commodities is determined by domestic demand and supply conditions .
【简答题】Everybody may have seen the film “Death on the Nile ( 尼罗河)”, but nobody can imagine that the writer of the story, Agatha Christie, saved a baby in a most unusual way. In June 1977, a baby girl became ...