Now the city has five backbone industries: spin costume, engine electric, electrommunication, metal goods, chemistry goods.

中山市当前主要有五大支柱产业：纺织服装、机械电气、电子通讯、金属制品、化学制造。

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The Internet, which has become the backbone fore-commerce and e-business, has disrupted a wide range of industries -- more a punctuated equilibrium than a disruption.

已经成为电子商务支柱的Internet， 就已使大范围的行业产生剧变--更多的是打断的平衡而不仅仅是一次剧变。

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