Pointed out a small mistake in(二)in your blog

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Harvard is in Cambridge, MA :)) -clearskies- 给 clearskies 发送悄悄话 clearskies 的博客首页 (0 bytes) () 07/19/2012 postreply 11:44:01

Good point -justforfun- 给 justforfun 发送悄悄话 (97 bytes) () 07/19/2012 postreply 11:54:39

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