First, historical learning is patchy at best largely, I'd argue, because so much of economic history doesn't offer the kind of data which econometric whiz kids feel comfortable with.
第一点，我要表明的是，就因为太多的经济历史学没有提供给那些擅长做计量经济的孩子们以感觉顺手的数据，历史学习在很大程度上是不完整的。
Along with the Internet, the mobile phone has revolutionized communication. The mobile has spread from city whiz kids to Brazilian slum dwellers.
与互联网同样，移动电话已经使通讯交流发生了翻天覆地的变化。从城里的年青俊杰到巴西的贫民区居民都拥有了移动电话。
Along with the Internet, the mobile phone has revolutionized communication. The mobile has spread from city whiz kids to Brazilian slum dwellers.
与互联网同样，移动电话已经使通讯交流发生了翻天覆地的变化。从城里的年青俊杰到巴西的贫民区居民都拥有了移动电话。
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