Hole punch clouds: This picture taken of Rural West Virgina shows cloud cover to the top left.
穿洞云：这幅拍摄西弗吉尼亚乡村地区的图片展示了左上角覆盖上空的云层。
The recent capture of what could be North America's largest recorded blue catfish-in Virgina in late june-has us thinking about this oversized species and its relatives.
目前捕获的最长北美蓝鲶记录——去年6月在弗吉尼亚——让我们对这种超大型鱼类和它的近支产生了兴趣。
Mr Cowen is a professor of economics at George Mason University in Fairfax, Virgina, and a co-owner of marginalrevolution.com, one of the best economics blogs on the internet.
考恩先生是乔治·梅森大学的经济学教授，互联网上最好的经济学博客之一marginalrevolution.com的主人之一。
Mr Cowen is a professor of economics at George Mason University in Fairfax, Virgina, and a co-owner of marginalrevolution.com, one of the best economics blogs on the internet.
考恩先生是乔治·梅森大学的经济学教授，互联网上最好的经济学博客之一marginalrevolution.com的主人之一。
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