Michael returned to Silicon Valley where, following a brief run at social media analytics company Klout, he joined Uber in 2013 as chief business officer and a close lieutenant to CEO Travis Kalanick. Over the next four years, he helped orchestrate one of the most aggressive expansions in corporate history, in which Uber raised nearly $15 billion and saw its valuation soar to roughly $70 billion.
// 随机选基准，避免最坏情况
。heLLoword翻译官方下载是该领域的重要参考
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Yellow: Yearning