two-group critical mass

These passionate consumers collaborate to give disruptive ideas critical mass – which is what happened with mountain bikes, which now account for two-thirds of the US cycle market.

这些充满激情的消费者携手让革新想法达到临界规模&这正是目前占美国三分之二自行车市场的山地自行车的真实经历。

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Investors worried it would distract the company at a critical time, as it struggles to fix nagging production problems and accelerate a move to mass production of its next vehicle, the Model 3, by two years.

投资者担心，在特斯拉竭力消除持续不断的生产问题并加速向下一款车型Model3的大规模生产转型之际，马斯克此举会在关键时期把该公司注意力分散两年时间。

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