英语听力精选进阶版 15787
时间：2019-07-30 06:24:27
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（单词翻译）
Bottom Line: Infrastructure1 12 July 12
Thu, 12 Jul 12
Roads, bridges, tunnels, pipelines2, runways, cables - Evan Davis and guests examine the costly3 business of building and running infrastructure. They also debate the pros4 and cons5 of media training.
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