走进美国的大街小巷，无论是便利店、药房，还是各类商店的收银台，映入眼帘的总少不了口香糖的身影。根据美国人口调查局的数据，近六成美国消费者经常咀嚼口香糖，而 每位普通美国人每年能嚼掉1.8磅 ，可见这一市场需求之旺盛。

One morning last week Gordon Morrow, 19, was hunting rabbits on a snow covered trail of cut-over land 50 miles north of Tacoma. Following rabbit tracks he cut through an alder thicket, stumbled ...