And the people who provide those capabilities to us -- the YouTubes, the Facebooks, the Twitters and TEDs -- are in the business of having to police us, or being on the hook for contributory infringement.
而提供此功能的人们 YouTube，脸书，推特或者TED此类种种 就不得不 管制我们 或者被牵连构成间接侵权