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志愿者記錄下他們一周所吃的所有食物。The volunteers kept a record of everything they ate for a week.新的飲食類書籍差不多一周出一本。New diet books appear at a rate of nearly one a week.他們在一周內(nèi)就畫出了房子的圖樣。They drew up the design for the house in a week....