She said: 'Although the magnitude of weight change associated with each increased daily serving was modest, combining an increase of one to two servings of vegetables and one to two servings of fruits daily would be associated with substantial weight change.' 她表示；“ 虽然每日增加的每一分摄入量引起的体重变化的数量级不大，综合增加的一到两分蔬菜摄入和一到两分水果摄入引起的变化就很显著了。
Even staying at the same weight, rather than gradually getting fatter, is good for health. 就算体重保持不变，没有逐渐发胖，也对健康有好处。
However, not all greens are good for the waistline. 然而，并非所有的绿色蔬菜都对保持身材苗条有好处。
Sweetcorn, peas and potatoes were actually linked to weight gain. 甜玉米，青豆和土豆其实都会使人发胖。
And only baked, boiled and mashed potatoes were included, so the finding cannot be explained by people feasting on fatty chips. 只有烤、煮和做成泥的土豆会令人发胖，所以这一调查结果不能解释爱吃高脂肪薯条的人的体重问题。
Dr Bertoia said that brown rice and whole meal bread are both good alternatives to potatoes. 波托亚博士称，糙米和全麦面包都是土豆不错的替代品。
All of the calculations took into accountother changes to diet, as well as changes to smoking, exercise and sleep that occurred over the years. 所有这些计算都考虑到了其他因素在几年中的改变，包括食谱、吸烟、锻炼、睡眠。
Vocabulary
spud：马铃薯
flab：赘肉
polyphenol：多元酚
metabolism：新陈代谢
英文来源：每日邮报
译者：张骁
