企业作为市场主体，必须具有健全的运行机制。

Enterprises as market entities, must have sound operational mechanism.

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只有严重的惩罚力度大于失信时所获得的暴利，此时作为市场主体的企业才会选择守信。

Only severe penalty is greater than staggering profits acquired by breaking its faith, the enterprise as main part in market will choose keeping faith.

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道路运输企业作为交通运输服务业的市场主体，其能源消耗在我国节能减排工作中具有重要作用。

As the main members of the transport services market, Road transport enterprises's energy consumption has played an important role in China's energy-saving work of the emission reduction.

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