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Oxford Advanced Learner

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Discover the wonderful world of learning Chinese language | Online tutorials, reviews, courses, PDF eBooks and blog with the latest teaching tips and news

Twitter is without a doubt the best way to share and discover what is happening right now.

什么是债券逆回购？债券逆回购为中国人民银行向一级交易商购买国债、政府债券或企业债券，并约定在未来特定日期将有价证券卖给一级交易商的交易行为。更多关于债券融资、债券收益率、可转换债券的信息请关注本站更新内容。

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YouTube is a place to discover, watch, upload and share videos.

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For iPhone developers who love their apps, App Annie keeps tabs on your apps, making it easy to track sales, rankings, and reviews from around the world.

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Facebook 是一个联系朋友的社交工具。大家可以通过它和朋友、同事、同学以及周围的人保持互动交流，分享无限上传的图片与转贴链接，更可以增进对朋友的了解。