Bharara's favorite high school teacher recalls a phone call out of the blue in 2009: "hi, Mrs. T, this is Preet," he said.

巴拉拉最敬重的高中老师回忆起2009年，她突然接到的一个电话：他说道：“您好，T夫人，我是普里特。”

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Alice: Hi, Jimmy. You say, why is the sky blue?

爱丽丝：你好，吉米。你说，为什么天空是蓝色的？

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Hi, I'm Pangpang. My hat is blue and white.

嗨，我是胖胖。我的帽子是蓝色和白色的。

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He was wearing a grey bomber-style jacket with black lining and hood, light blue bleached jeans that were ripped at the bottom and grey hi-top trainers when he went missing.

BBC: Mother makes plea over missing son Ross Ramsay

But thanks to Mr Seifert's quick switch to electronic trading and a push to create new markets for smaller firms, Frankfurt now boasts the world's biggest derivatives exchange, Europe's busiest market for hi-tech firms, and a pivotal role in shaping the trading and clearing of Europe's blue-chip shares.

ECONOMIST: Frankfurt��s impatient maestro