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20集 第20集》

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  I started thinking, okay how can I respond to these?
  我就想 好吧 那么我该如何回应
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  The first thing I did
  我做的第一件事就是
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  is I started going around
  开始走访
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  to all the different parent organizations
  所有的家长组织
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  and doing presentations for the PTOs
  并为这些家长组织做一些讲座
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  and try to explain the rationale behind this.
  并尝试向他们解释这背后的道理
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  I did come up with this slide to address the only once a year,
  我用一张幻灯片来强调 一年只有一次
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  because what I was realizing is
  我意识到
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  that parents think of their own child's birthday
  家长们想到自己孩子的生日
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  but they don't necessarily think about every else's child.
  但他们并不需要也考虑别的孩子
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  I made this slide to show
  我制作这张是为了说明
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  all the things that happen only once a year.
  这些事情一年都只有一次