来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第3集 第3集》

• 
  
  could spend--do multiple classes on,
  耗费很多课时
• 
  
  because it's a very interesting,
  因为这个话题十分有趣
• 
  
  fascinating, and complex topic.
  且吸引人 而又一言难尽
• 
  
  And we're going to blitz through it like the hundred yard dash,
  而我们要像百米冲刺一样迅速过一遍
• 
  
  and that means we can't stop
  这也就是说 在很多问题上
• 
  
  and linger in too much detail on different topics.
  我们不能过细地追究和逗留
• 
  
  But I would like to give you some of the rudiments about nutrition,
  但我很乐意教给你们一些营养学基础知识
• 
  
  especially about how we measure nutrition
  尤其是如何评估营养
• 
  
  and then what it means for health,
  及其对健康的意义之所在
• 
  
  and we'll talk more about that in the next class.
  下一堂课我们会更加深入地探讨
• 
  
  But it's a very interesting topic,
  这个话题实在有趣
• 
  
  so today we're going to talk about how do you measure what people eat,
  所以今天我们要讲如何评估人们吃的东西