茶叶引张三一直喜欢喝20块钱的茶。新开茶店里,每次张三去买茶叶,老板都送他半两好茶。张三将好茶攒着待客,一天闲来无事泡壶好茶,竟喝上瘾。喝完免费的好茶,张三便不愿喝20块的茶了。不管他买多贵的茶叶,老板总送他半两更好的。半年下来,张三花在茶叶上的钱是原来的十倍! Zhang three tea has always been like to drink 20 dollars of tea. New tea shop, every time Zhang San to buy tea, the boss gave him half a half good tea. Zhang San tea will be saved with hospitality, a day of busy pot of good tea, actually drunk. After drinking free tea, Zhang San would not want to drink 20 tea. Whether he bought more expensive tea, the boss always sent him half a dozen better. Six months down, Zhang spent three times the money on the tea is the original!