- make remarkable achievements in + 方面
- know clearly
- lag far behind … 落后
- sth. is in the process of improving 正在改善
- obstacle 障碍
- stand in the way of development 阻碍制约发展
- great and better 更大更好
- by the middle of the 21st century
- in order to … ,what is crucial is to … 为了……重要的是……
- persist in reform and innovation 坚持改革和创新
- further free the mind 进一步解放思想
- a reservoir of energy 源源不断/大量的 动力
- propel development 推进发展