The inner plights are push production model, longer cycle time, higher inventory, higher product cost, and lower profit.

其存在的内部弊端为推动式销售模式、响应周期长、库存居高不下、生产成本高和利润大幅下降。

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There's still a bright future for electric vehicles though -- electric car maker Tesla Motors announced that it turned a profit in the first quarter of 2013 for the first time, as sales of the Model S exceeded expectations.

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Though the smaller, cheaper exchange has since managed to steal some market share from the LSE, its business model has been called into question, and Turquoise has also struggled to turn a profit in the time it has been operating.

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