经济学
乡村发展策略
As of now, governments are set to agree to "commit to systematically consider population trends and projections in our national, rural and urban development strategies and policies".
BBC: Scientists urge Rio moves on population and consumption
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。