What psychologists don't really know is why the Lake Wobegon effect exists, and there are a couple of proposals.

但心理学家还不知道,为什么乌比冈效应会存在，目前有几个假设。

耶鲁公开课 - 心理学导论课程节选

Anyway, the Black Sea is not a Greek lake, but there are Greek cities that are spotted along the coast.

不管怎样,黑海不是古希腊的湖泊,除了东海岸

耶鲁公开课 - 古希腊历史简介课程节选