中国民族资本主义工业在中国近代化进程中留下了自己的印迹。阅读下列材料：

材料一：观察下面图片

材料二：中国民族资本主义产生于中国半殖民地半封建化过程中，受到外国资本主义、本国封建势力和官僚资本主义的压迫，是推动中国近代化进程的重要进步力量之一。作为近代中国新的生产方式，它的产生和发展推动了中国社会经济的发展，在一定程度上对外国经济侵略起到了抵制作用，它还为近代中国的思想解放（如君主立宪思想、民主共和思想、新文化运动等）奠定了物质基础，民族资产阶级也成为近代中民主革命的重要力量，推动了近代中国民主革命的发展。

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   If babies are given more love and feelings by their mothers, they will deal better with stress and anxiety when they grow up , research has shown.
   The study of eight-month-old children shows even the very earliest life experiences can influence our happiness.
   Lots of mother love makes children form a safe bond with their mothers , so they are able to feel safe in relationships when they grow up ,and they will have better social skills and deal with life's difficulties．
   The researchers,  led by Dr．Joanna Maselko of Duke University in North Carolina,  studied the relationships of 482 eight—month - old  babies with their mothers during daily development.
   They studied how well the mother had dealt with her child's developmental text and how she had responded child's performance．Mental health was then assessed when the babies had grown up – at the average of 34.
   The more feelings and attention a mother gave to her child, the better her child would be. This kind of child had the lowest levels of anxiety, hostility and general difficulties.

算式2597-798比998+779的得数（    ）。