Now you can get much higher returns, of up to 16-to-one, if you include anti-crime benefits, if you include benefits to former preschool participants who move to some other state, but there's a good reason for focusing on these three dollars because this is salient and important to state legislators and state policy makers, and it's the states that are going to have to act.
你可以得到更高的回报率 高达十六比一，如果你把社会治安的改进也考虑进来， 并且把接受过学龄前教育，但是后来 搬出去的人的收益也算在内的话。 但是现在我们把注意力放在这三美元上 因为这三个方面对于州立法者 和州政策制定者而言是最重要的 而这也是让州政府行动起来的理由。