Sent_en: 2zh Wikibooks is a project operated by the Wikimedia Foundation, a non-profit organization based in the United States which runs several free content wikis, including Wikipedia, a free encyclopedia, and Wikinews, a free news source.
Sent_yy: 维基图书是由维基媒体基金会运营的一个项目，该基金会是一家总部设在美国的非营利组织，运营着几个免费维基内容，包括免费百科全书“维基百科”和免费新闻来源“维基新闻”。