There are two issues of language One in terms of software, one in terms of websites In term of websites, most websites are in English because most of the websites are based in the United States.

关于语言，有两个重要的方面,一方面是软件，另一个是网页,对网页而言，大多数以英语显示,因为大多数网页的服务器设在美国。

麻省理工公开课 - 媒体、教育、市场课程节选