I think boom and bust is a result of man's excessive greed in th

来源: insight777 于 2012-01-15 23:52:39 [] [博客] [旧帖] [给我悄悄话] 阅读数 : 0 (101 bytes)
回答: I don't agree with Summers 由 CapriMoon 于 2012-01-15 11:42:37

The advancement of Science and technologies only causes structural changes in human societies.

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