And the other thing about these systems is that it only takes a small number of really unreasonable people working together to create them. It didn't take that many people to make Wikipedia Wikipedia, or to keep it Wikipedia.
值得一提的是开发这个系统的团队 只有很少几个无私奉献的人 并不像维基百科一样动用了大量的人 去编辑和维护