In her first book she explained the role of vegetable fibres, vitamins, minerals, and other essential nutrients.

在她的第一本书中，她解释了植物纤维、维生素、矿物质和其他必不可少的营养物质的作用。

Studies show that a depressed person often lacks several key nutrients.

研究表明，一个情绪低落的人常缺乏几样核心营养物。

daily nutrient intakes.

每日营养物的摄入量。