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19集 第19集》

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  sometimes you'll be lucky and some mighty forces may come to your aid
  有时你会很幸运得到大力的支持
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  like what happened last Tuesday.
  就像上周二一样
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  You also need to be able to assure
  你也需要保证
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  that you'll have proper implementation of your policy.
  你的政策会得到有效执行
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  If implementation goes awry,
  如果政策不能落实
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  then everything that you were trying to do will go awry.
  那么你的努力将会付诸东流
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  It's not enough to put the policy in place,
  光制订政策是不行的
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  but the implementation of the policy is of great matter.
  政策的落实才是最重要的
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  And lastly,
  最后
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  you need to remember that you're going to have to evaluate your policy.
  你要记得评估你的政策
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  You should plan on that from the beginning.
  在一开始的时候就要做好计划
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  You should have unbiased evaluators,
  你需要公正的评估员