戴维认为这种现象的产生是因为水可以填饱，而且卡路里为零。当然也可以用其他东西来代替水，甜饮料就可以满足节食者们。
Davy says that this phenomenon could occur because water is filling and has , of course , zero calories . It could also be displacing other , sweeter drinks that the dieters might consume .
戴维现象