Einstain's, or Goldbach's conjecture, who can understand, but I will not use your label.
Public need education, not every thing is as plain as water.
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the fact is I don't understand what you had said, neither did ot
-小贝壳weed-
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07/11/2016 postreply
19:43:34
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一样事情很清楚:我相信你和我都不是天才。聊个天干嘛整那么神秘?
-小贝壳weed-
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07/11/2016 postreply
19:45:15