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…

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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。

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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。

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