Many policy measures to control obesity(肥胖症)assume that people consciously and rationally choose what and how much they eat and therefore focus on providing information and more access to healthier foods," note the two researchers.
出自-2013年6月阅读原文
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
理性的;合理的
Rational decisions and thoughts are based on reason rather than on emotion.