搭配in the proportion of，表示按…的比例，例如：
1、A new study has noted a rise in the proportion of very light smoking.一项研究表明，轻度吸烟者的人群比例在增加。
2、According to Amazon， Zhengzhou led the country in the proportion of books on the topics of love， marriage and romance purchased last year.亚马逊指出，在去年购买以爱情，婚姻和浪漫为主题的读物的读者比例中，郑州位居全国第一名。
