呵呵， some breakthroughs are ususaly based on the " why I did not

来源: gegenion 于 2018-04-19 19:05:07 [] [旧帖] [给我悄悄话] 阅读数 : (108 bytes)
本帖于 2018-04-19 19:05:59 时间, 由普通用户 gegenion 编辑

"why I did not think about it". You can not think about it without freedom of thinking.

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