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3集 第3集》
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because it's such a difficult thing to get a hold of.因为这很难把握 -
Now Susan Mayne,苏珊·梅恩 -
who is a Professor here in the School of Public Health,我们公共卫生学院的教授 -
has done some very interesting work做了些值得关注的工作 -
with an electronic device通过电子设备 -
that can be passed over the palm of your hand扫描你的手掌 -
and measures pigmentation in the hand测算其上色素沉淀 -
as a way to assess vegetable intake in people.可以得出人们蔬菜的摄入量 -
This is very interesting important work这是非常有意思并且重要的工作 -
and if this comes about--如果这成为现实 -
I mean as the work on this becomes more and more robust,我是说随着这方面的技术越来越成熟 -
and the measurement gets better and better,测量效果越来越好