“蠕虫和富裕”理论是“卫生假说”的阴阳两个方面。也许我们真该多接触点寄生虫，来平衡一下我们越来越少接触细菌和病毒的状况。

A "Worm vs. Wealth" theory is the Yang to the Yin of the Hygiene Hypothesis: Maybe we need more exposure to parasites to balance our reduced exposure to bacteria and viruses.

youdao

卫生假说认为，现代的卫生措施，导致了接触传染性病原体的缺乏，这对免疫系统的正常发育是重要的。

The hygiene hypothesis states that modern hygiene measures have led to a lack of exposure to infectious agents, which is important for the normal maturation of the immune system.

youdao

其中之一包括了动物园假说，根据是外星生命干脆选择不和人类相互接触。

One of the few includes the Zoo hypothesis. This is based on the assumption that the extraterrestrial beings simply choose not to interact with us humans.

youdao

And you could ask yourself the-- about the extent of that segregation and how that reflects--what role that should play with regard to the Contact Hypothesis.

你们可以思考一下-,这种隔离的程度,以及它在接触假说中,起了什么作用。

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More generally, there's what's been called "The Contact Hypothesis."

另一个更为人熟知的理论被称为,”接触假说“

耶鲁公开课 - 心理学导论课程节选