今日学习

1.population aging

2.coordinated development of the Beijing-Tianjin-Hebei region

3.all-around rural revitalization

4.China’s major-country diplomacy（政报）/ major country diplomacy with Chinese characteristics（中国关键词）

5.Group of Twenty （G20）

6.Shanghai Communiqué

7.Regional Comprehensive Economic Partnership（RCEP）

8.family doctor

9.the 14th Five-Year Plan

10.Beginning of Spring