国外有家食品厂生产的一种水果罐头曾一度销路不畅，积压严重。老板受古代《孙子兵法》的启示，在罐头盖上印有谜语，注明谜底在罐头内。这样，在吃完罐头后，消费者便可知谜底。由于在包装上赋与新意和情趣，又迎合了人们的求知好奇的心理，尽管还是原来的水果罐头，但产品却? A canned fruit produced by a home-owned food factory once made a poor sales and posed a serious backlog. Inspired by the ancient “Art of War,” the boss printed a riddle on the can lid, indicating the answer lies in the can. In this way, after eating canned food, consumers will know the answer. Due to the packaging of new ideas and fun, but also to meet people's curiosity, although the original canned fruit, but the product?