A decrease in the price of bowling shifts the (保龄球价格下降——中文由在线翻译而来,仅供参考.下同.)
A.
demand curve for bowling balls leftward.保龄球需求曲线向左。
B.
demand curve for bowling balls rightward.保龄球需求曲线向右。
C.
supply curve of bowling balls leftward.保龄球供应曲线向左。
D.
supply curve of bowling balls rightward.保龄球供应曲线向右。