- 1、Scientistsneverpresupposeunprovenfacts.2、Sucharelationshipispresentlyunproven.3、Nevermakeanunprovenchangetoarunningproductionsystem.4、Therearealotofunprovenallegationsflyingaround.5、Asinstructed,Icutmylifelinetothebankandleaptintounprovenwater...
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