最近的一项研究显示，阿根廷首都布宜诺斯艾利斯是拉丁美洲最嘈杂的城市。
A recent study has found that the Argentine capital of Buenos Aires is the noisiest city in Latin America.
他于2008年成立了一家网站，跟踪布宜诺斯艾利斯超市的价格，发现在阿根廷通货膨胀率是官方估计的三倍。
Mr Cavallo has form. He set up a website in 2008 to track supermarket prices in Buenos Aires and found that inflation in Argentina was three times official estimates.
阿根廷，布宜诺斯艾利斯：一名妇女在大雨中穿过大街。
Buenos Aires, Argentina: a woman crosses a street during heavy rain.
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