The registeredfee for oversea participants is 480 EURO(traveling fee is not included).
国外参会代表注册费：480欧元（不包含旅行费）。
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The author consider that registeredfee can be divided into two kinds-commonly and specially. The different meanings of registeredfee at different area were illustrated in this paper.
It's said to have 94.8 million registered users and more than 10 million active users engaged in their fee-based services, with an estimated 3 billion page views every day [source: Wikipedia].