Filters block out Web sites with offensive content, usually based on keywords or lists complied by the filter developer.

过滤器常常基于些重点词或者过滤器开发者制定的一些条框而过滤掉有攻击性内容的网站。

youdao

Filters block out Web sites with offensive content, usually based on keywords or lists complied by the filter developer.

过滤器常常基于些重点词或者过滤器开发者制定的一些条框而过滤掉有攻击性内容的网站。

youdao