【简答题】阅读理解。 Life is like throwing and catching four balls of life in the air.You call the balls work,family,friends and minds.You will soon understand that work is a rubber ball.If you drop it,it will bo...
【简答题】If the supply of tennis balls, a complement to tennis racquets, decreases, what will happen to the equilibrium price of tennis balls and to the equilibrium price of tennis racquets?