选一个作为网站评论系统，其他保持禁用。

Chose ONE as your comment system and keep others disable.

youdao

许多网站评论员问道：“她怎么连个男人都留不住？”

"Why can't she keep a man?" asks many a commenter on the Web.

youdao

网站评论说，“你在啤酒广告上看到的是真的，瑞典确实有全球最美的美女。”

Sweden really does have some of the world's most beautiful women.

youdao

Be sure to follow us on Twitter, Twitter.com/unc Knowledge at Twitter.com/unc Knowledge, send us your comments, links to related material, suggestions for guests, d love to hear from you.

请在twitter网站上加入我们，网址是，您可以发送评论，相关内容的链接，以及邀请嘉宾的建议，我们期待听到您的声音，we’

斯坦福公开课 - 经济学课程节选