The Millennium Development Goals for two thousand fifteen call for a fifty percent decrease in the number of people without safe drinking water and basic sanitation.

VOA: special.2010.04.05

That you could explain human psychology without mental notions like desires and goals.

二，并不需要诸如欲望目标等概念,来解释人类的心理学现象。

耶鲁公开课 - 心理学导论课程节选