It's a serious challenge to the consumers' protection that the tort on consumer rights has become a barrier to the development of electronic commerce, in recent years.
2
它去除了障碍,为社会的所有进步和发展铺好了道路。
It has taken away mountains, and it has prepared the way for all progress and development of the society.
3
这些研究人员受到罗伯特·海尔布罗纳现已过时的发展理论的影响,倾向于将非技术性发展视为进步的障碍。
These researchers, influenced by Robert Heilbroner's now outdated development theory, tend to view nontechnological development as an obstacle to progress.