Now what you might do about this, let's say that we--that you're the Surgeon General or you're the top health official in some country and you agree with this poll, that people are eating too much junk food.
那我们现在要怎么做呢,假设,你是卫生部部长或者你是,某国的卫生部门的高官并且你认可,人们摄取了过量垃圾食品的结论
Now Susan Mayne, who is a Professor here in the School of Public Health, has done some very interesting work with an electronic device that can be passed over the palm of your hand and measures pigmentation in the hand as a way to assess vegetable intake in people.
苏珊·梅恩,我们公共卫生学院的教授,做了些值得关注的工作,通过电子设备,扫描你的手掌,测算其上色素沉淀,可以得出人们蔬菜的摄入量
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