多项选择题

电子商务与传统商务相比，呈现出一些新的特点，这些特点包括（）。

A.市场全球化、跨时空限制
B.交易虚拟化、成本低廉化
C.交易封闭化、操作方便化
D.服务个性化、运作高效化
E.全面实现无纸化交易

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