The most likely scenario is the thing that has been driving growth (and valuations) for these companies ultimately comes home to roost. And that is negative gross margins.

最可能的情况是，当初驱动这些公司增长（和估值）的幕后推手会反过来会成为罪魁祸首（所谓，成也萧何败萧何）。这个幕后推手就是负毛利率。

youdao

Use this formula out of the average consumption, must pay attention to tire gross consumption and driving mileage calculation issue consistency.

用这个公式计算出来的轮胎平均消耗量，必须注意消耗总量与行车里程计算期的一致性。

youdao

Consumption is the motor of economic growth, and consumption demand, as final demand, holds leading position in economic gross and has important driving force in economic growth.

消费是经济增长的原动力，消费需求作为最终需求，在经济总量中占主导地位，对经济增长具有重要的拉动作用。

youdao

While that is one interesting question though even as it is there are problems with it having it stand alone as the driving force for change is a gross oversimplification that will lead to bad outcomes.

FORBES: In Asking About Income Inequality, Obama Begins With The Wrong Question

The gross revenues of MLB have quadrupled since and the focus is on building brand and driving revenue.

FORBES: NHL On the Way To Self-Destruction