Contrary to popular thought, frozen fish is "comparable to, if not better than, fresh fish," because it is frozen on ships within hours of being caught, Mr. Seaver said.

与流行观点相反，速冻鱼其实“并不逊于鲜鱼"，因为它们在捕获后的几小时内就已在渔船上被冷冻了，西弗先生说。

Ms. Liebman applauded the steady, precipitous decline in whole milk consumption and the booming popularity of mostly low-fat yogurt. But she noted that consumption of low-fat and fat-free milk has remained low (displaced by sugary soft drinks) and that our consumption of cheese, rich in dairy fat, is at an all-time high, up threefold since 1970 and still climbing.

利布曼女士对全脂牛奶消费量的稳步陡降以及以低脂为主的酸奶日益广受欢迎表示赞许。但她指出，低脂和脱脂牛奶的消费量仍然较低（其在膳食比例中应占的地位被含糖软饮料所占据），而美国人对富含乳脂肪的奶酪的消费量一直较高，目前已经达到1970年的三倍，且仍在攀升。

"And we're not just eating more sweets, grains, meat and cheese. We're eating more, about 500 more calories a day per person than in 1970," Ms. Liebman said. "We've lost track of what a normal portion of food should look like."

“我们的问题不仅在于在膳食比例中，甜食、谷物、肉类和奶酪偏多。除此之外，我们的总食量也有所增加，与1970年相比，平均每人每天约多摄入了500卡路里，”利布曼女士说。“我们已经丧失了对正常膳食份额的概念。”

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