“从无到有”怎么翻译？

Part One 热词

1. 国家企业信用数据库 national enterprise credit data bank

2. 消费者和商业信用评分 consumer and business credit scoring 

3. 监察委员会 supervisory commissions  

4. 隐私保护 privacy protection  

5. 国际旅游支出 overseas travel expenditures

Part Two 汉译英

原文：半个多世纪以来，西藏的生态建设和环境保护事业从无到有，不断发展，实现了从自发到自觉，从被动到主动，从盲目到科学的质的飞跃。

译文：Ecological improvement and environmental protection work, which had nothing to start within Tibet, has grown incessantly in the past half century or more, and has undergone a process from voluntariness to conscientiousness, from passiveness to activeness, and from an unplanned to a scientific approach. 

自学笔记：

1. which had nothing to start within Tibet为ecological improvement and environmental protection work的定语从句

2. incessant [ɪnˈsɛsnt] ADJ-GRADED 不停的;连续的;持续不断的 

3. have undergone a process from ... to ...经历了从...到...的过程

4. from an unplanned to a scientific approach： 为避免重复unplanned后省略了approach