translation.en: YouTube cares deeply about the rights of content owners, but in order to give them choices about what they can do with copies, mashups and more, we need to first identify when copyrighted material is uploaded to our site.
translation.zh: YouTube 深切关注内容所有者的各项权益。 但是，为了给他们选择如何 处理副本，混搭以及其他更多的情况， 我们需要首先确认 当有版权保护的材料被上传到我们的网站上。