I borrowed a few books about dietetics from my younger sister, studied which vegetables imply what nourishment, how to match, how to increase quantity and improve quality, how to observe the color of move bowels.

• 我从妹妹那儿借来营养学方面的书籍，了解哪些蔬菜含有什么营养，怎么搭配，怎样增加数量、改进质量，如何观察大便的颜色。