本期内容：
Uber has chosen Dara Khosrowshahi, the chief executive of travel company Expedia, to be its new boss, ending a contentious search that has been marred by boardroom spats and leaks. The announcement, made on Sunday, comes as the ride-hailing service fights allegations of sexism and racism that led to the ousting of its founder, Travis Kalanick.

Contentious：有争议的
Mar：破坏
Spat：争吵
Allegation：指控
Ousting：下台

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