The doctor advised my wife to have a light diet.

医生要我的妻子只吃容易消化的食物。

From this, the scientists calculated that Retrievers with the POMC mutation burned 25% fewer calories at rest than those without, indicating that the hungry dogs may need to stick to a particularly light diet in order to stay slim.

由此， 科学家计算出， 具有 POMC 突变的猎犬在休息时燃烧的热量比未具有该突变的猎犬少 25％，这表明饥饿的狗可能需要坚持特别清淡的饮食才能保持苗条。