近期举办的国际服装博览会有一项出乎人们意料之外的规定,只有专业人士才能参会,一般观众谢绝入内。这一点很值得IT业内的展览会借鉴,确实,在市场日益细分的今天,赶 The recently held International Clothing Expo has an unexpected requirement that only professionals can attend the event and the general audience will refuse to enter. This point is worthy of reference in the IT industry exhibitions. Indeed, in the increasingly fragmented market today,