Stamp collecting has assumed an important role as a popular pastime the world over. What is it that motivates people to devote their spare time to collecting, trading and filling albums with colorful stamps from many lands?
一枚郵票，大小不過方寸，卻引得世界上成千成為的人喜愛它、迷戀它；究竟它的出身背景如何、魅力何在、能讓人如此傾倒？