Health experts advise that the average women should consume about 2,000 calories a day and a man about 2,500 calories to maintain a healthy weight. Dieters aim for 1,000 to 1,500 calories a day.
健康专家建议,一个成年女人平均每天应摄入大约2000卡路里,一个成年男人每天应摄入大约2500卡路里,以维持健康的体重。而节食者的目标应是一天1000到1500卡路里。