And each friend will take up a little bit of your attention - when you read their updates, click on their links, reply to their messages, look at their photos, and so on.
每一个朋友都会多少占用你一些注意力——你需要去看他们的更新，点击他们的页面，回复他们的留言，浏览他们的照片，等等。
Facebook makes software code available to website publishers which allows users of the websites to share links at the click of a button on their own Facebook page.
Facebook提供软件代码给网站的发布者们，使网站的用户可以通过点击其在Facebook上的页面按钮来分享链接。
Facebook makes software code available to website publishers which allows users of the websites to share links at the click of a button on their own Facebook page.
Facebook提供软件代码给网站的发布者们，使网站的用户可以通过点击其在Facebook上的页面按钮来分享链接。
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