Essentially people are able to download messaging units and trade or transfer them as part of what has become a lucrative barter system.
它的本质就是人们可以下载信息单位，然后交易或者转让，这其实也是当前盈利性的实物交易系统中的一种形式。
Essentially people are able to download messaging units and trade or transfer them as part of what has become a lucrative barter system.
它的本质就是人们可以下载信息单位，然后交易或者转让，这其实也是当前盈利性的实物交易系统中的一种形式。
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