“为...提供重要动力”怎么翻译？

Part One 热词

1. 价格优惠政策：preferential price policies 

2. 国际旅游支出：overseas travel expenditures

3. 隐私保护：privacy protection

4. 以人民为中心的发展思想：people-centered philosophy of development 

5. 创新、协调、绿色、开放、共享的发展：innovative, coordinated, green, and open development that is for everyone

Part Two 汉译英

原文：航天是当今世界最具挑战性和广泛带动性的高科技领域之一，航天活动深刻改变了人类对宇宙的认知，为人类社会进步提供了重要动力。

译文：Space activities make up one of the most challenging hi-tech fields which exert enormous impact on other fields. Space activities have greatly improved man's knowledge of space, and provide an important driving force for social progress. 

自学笔记：

1. 航天是...之一：Space activities are/ make up one of .....

2. enormous [ɪˈnɔ:rməs] ADJ-GRADED 巨大的;极大的;很多的 

3. impact on 对…冲击，碰撞，影响

4. 为人类社会进步提供了重要动力:provide an important driving force for social progress