Lewin, 31, who had invented technology to help the Internet handle huge amounts of traffic, was flying to Los Angeles to drum up new business, which the company desperately needed.

31岁的列文曾经发明过一种技术来帮助互联网控制巨大的网络通信，当时他正飞往洛杉矶去组织公司迫切需要的新业务。

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Zhang Heng was also a mechanical engineer, and made a flying "wooden eagle"and a "mileage-counting drum-cart".

张衡又是一位机械工程师，制造过能飞的“木雕”和能计算里程的“计里鼓车”等。

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The drum flying shear of AISC Hot Strip Continuous Rolling Mill Plant has been introduced from Germany.

鞍钢热轧带钢厂的鼓式飞剪是从德国引进的。

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With states like Connecticut and Colorado passing strict new restrictions on gun owners and the President flying around the country to drum up support for national gun control, ammo buyers are like consumers queuing for gas or loading up on gold in the inflationary 1970s.

FORBES: The Bullet Bubble: Is Ammo The Next Bitcoin, Or Gold In The 1970s?

As South Koreans stop flying abroad, Korean Air is trying to drum up more business from America by luring expatriate flyers home.

ECONOMIST: Asian airlines