送交者: skipper3 于 2005-11-11, 22:14:10:
回答: 至少神不是故意要这样的 由 HunHunSheng 于 2005-11-11, 22:04:10:
serve group interests. At ancient time group interests depended highly on its scale. If the group is not large enough it will be physically eliminated by other groups when it came to competing for resources. Such a story definitely helped to attract more people to join the group.