原推：To give you a quick example of nature creating incentives that lead to individuals pursuing their own interests that result in the advancement of the whole, look at sex and natural selection. #principleoftheday (1/2)
翻译英文优质信息和名人推特
原推：To give you a quick example of nature creating incentives that lead to individuals pursuing their own interests that result in the advancement of the whole, look at sex and natural selection. #principleoftheday (1/2)