如果有人能发明一种药丸，既能模拟少吃的生理效应，又不会真正地强迫人们少吃，会怎么样呢？
What if someone could create a pill that mimicked the physiological effects of eating less without actually forcing people to eat less?
以上这样效应已经被加里•沙福尔和他的同事们在胡姆贝克的丹麦地球系统科学中心成功模拟了。
The effect of both these processes has been modelled by Gary Shaffer and his colleagues at the Danish Centre for Earth System Science in Humlebaek.
该模型的模拟是城市的理想代表。 它表明，如果所有的屋顶都刷成白色，就能减少三分之一城市热岛效应。
The model simulations, which are idealized representations of cities, suggest that, if every roof were entirely painted white, the urban heatisland effect could be reduced by about a third.
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