It is Monday afternoon in San Francisco and a Chinese engineer at the front of the room is pitching to several dozen tech investors on his latest invention: a flying robot.
一个周一的下午,在美国旧金山,一名manbetx3.0 工程师正站在房间前方,向几十名科技投资人推销他的最新发明:一款自动飞行器。
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