Insurers, just like mutual funds, are providing risk pooling for you.

保险公司和共同基金一样,为客户提供风险汇聚服务

耶鲁公开课 - 金融市场课程节选

Firms that do that are, in practice, however, the minority and most mutual funds have some gimmick or some special-- they claim to be beating the market not forming the optimal portfolio.

然而实际上,这么做的公司很少,大部分共同基金都会耍些花招,或有一些特别的...,他们强调他们的收益率将强于市场平均水平,而非建立最佳投资组合

耶鲁公开课 - 金融市场课程节选

I asked you in the final question to just get on a couple of websites, The Federal Reserve and the ICI, which is a mutual industry website, and write a little bit, a couple paragraphs about what this industry is really achieving or how it's trending.

我最后再要求你们,去浏览下一些网站，像联邦储备和美国投资公司协会网站，都是共同基金产业的网站，然后稍微写几段，关于这个产业的成就,或者他们的发展趋势。

耶鲁公开课 - 金融市场课程节选