It measures the ability of people to communicate in the workplace using everyday English.

VOA: special.2010.02.18

He is using the English translation of the German word frohlich from Nietzsche's The Gay Science.

他用的其实是德语“快乐的“一词的英文翻译,而那个词则来自尼采写的“快乐的科学家“这个标题。

耶鲁公开课 - 文学理论导论课程节选

English speakers just started using it.

VOA: special.2011.01.12