These are the rules to a Chinese newsite's tennis forum I look at to read about the US Open:
Consciously follow the principles of patriotism, lawfulness, self-control, truth and civilisation.
Observe online morality and follow the government's decision regarding internet safety and other relevant laws and regulations of the Peoples Republic of China.
It is strictly forbidden to jeopardise national safety, harm racial unity, national religious policies and social stability, including content with abuse, slander, ___ and ____ etc.
You accept all the direct and indirect responsibility for civil and criminal acts caused by any of your behaviour.
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Participating in this discussion indicates that you have read and accepted the above conditions.
Considering the recent crackdown on Internet in China, especially Facebook and Twitter, some of these are clearly not window dressing. Some are humorous such as patriotism given as the first principle to adhere to. Civilised behaviour should really be more strictly enforced considering that on this particular site comments calling Selena Williams an orangutan (or gorilla) have been abounding for this whole tournament and probably every other tournament, without moderation.