But guess what? In the last decade weve been able to produce, in spite of all these difficulties, health workers in Mogadishu, in a hospital in Banadir University.

VOA: standard.2009.12.05

A lot of sciences rest on data that is flawed in some ways because of the difficulties in assessing what people eat.

许多依赖数据的科学常识是有瑕疵的,由于评估人类所吃食物非常困难

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选