1. They will hardly know which facts to select from the great mass of evidence that steadily accumulates. 对于逐渐积累起来的庞大材料,他们几乎不知道选取哪些好,
2. "Select breads and cereals with the words 'iron-added' on the label," writes sports diet expert Nancy Clark. "选择那些标有'加铁'字样的面包和麦片," 运动营养专家南希·克拉克写道,