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

and they bought every single one of these guests a pair of new shoes for a party favor.

而且他们给每个参加聚会的人买了一双新鞋。

富家孩子的生日 - SpeakingMax英语口语达人