And sociologically in the 1960s and 1970s, in the United States, behaviorism was incredibly well known and so was Skinner.

在上世纪60到70年代之间的美国社会，行为主义极为盛行,斯金纳也得以名声大噪。

耶鲁公开课 - 心理学导论课程节选

It happened in the late 1990s, in the United States, that patent offices started to accept financial patents.

美国是在上世纪九十年代末期的时候，专利局才开始授予金融专利。

耶鲁公开课 - 金融市场课程节选