The bartender is curious and askes him "every time you order a shot, you look in your shirt pocket." 酒吧服务员感到好奇,问他:“为什么每次你要酒总是先看一下口袋?”
Today, a rapidly changing market askes manufacturing enterprises to transform from "mass production of a single product" into "flexible and changeable volumes of large variety of products". 当代,快速多变的市场要求制造业企业从“少品种大批大量生产”转变成“多品种变批量的柔性生产”。