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1·On one hand the production of communal article and sale often do not answer for profit, on the other hand, fair.

一方面公共物品的生产和销售常常不应为了利润，另一方面，公…

2·Do not use encrypt article and Sale article for earning integral. The article does so must be worthily.

不要随便使用“加密此帖”和“出售此帖”来赚取积分，此类帖子必须物有所值。

3·Article 11 Donated blood shall only be used for clinical purposes and not for sale.

第十一条无偿献血的血液必须用于临床，不得买卖。

4·Article 7 Articles or goods or property rights prohibited for sale by laws or administrative regulations shall not be made objects of auction.

第七条法律、行政法规禁止买卖的物品或者财产权利，不得作为拍卖标的。