Recommendation：声声中国语:……比登天还难 It is more difficult to do something than going to the outer space; very difficult to
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您好，我在 [对外汉语学习网] 发现了一个很好的学习资料： 相信一定对你有帮助，去看看吧！ 文档的名称是：声声中国语:……比登天还难 It is more difficult to do something than going to the outer space; very difficult to 网址是：http://tcfl.tingroom.com/2015/11/10837.html
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