两年前，人们还不知道什么叫“电子商务”，如今它却成了时髦的字眼，频频出现于各种媒体，以至提到“网上购物”几乎妇孺皆知。新的名词、新的事物发展如此之快，使人不由得产生一种“跟不上”的感觉，正如一句歌词里讲的：这世界越变越快，越变越精彩（大意）。但是，我们也 Two years ago, people did not know what “e-commerce” was, but now it has become fashionable. It frequently appears in various media and even mentions that “online shopping” is almost commonplace. The new nouns and new things developed so fast that people could not help but feel like they could not keep up. As the lyrics say, the world is getting faster and faster and more brilliant. But we too