Laura Middleton says the research showed that even low-intensity activity reduced the risk of thinking problems and memory loss.

VOA: special.2011.07.27

So if $200,000, Julie, is too low a figure because it doesn't include the loss of a loved one and the loss of those years of life, what would be what do you think would be a more accurate number?

朱莉，要是20万美金不够,因为没有算丧失亲人,和生命的损失，那你认为什么数目更合适？

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