The overall efficiency of the country-wide content filtering is unclear, as many of the technologically savvy users have discovered tools and methods to bypass the content filter, such as using Tor.
全国性内容过滤的整体效率尚不清楚，因为许多精通技术的用户已经发现了绕过内容过滤器的工具和方法，诸如使用Tor。