Receptionist: Our instructors are all professional drivers.

接待员：我们的教练都是专业的司机。

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However, he said the requirements should not be so strict for non-professional drivers.

但他觉得对于非职业驾驶员要求不必过于严峻。

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From the data analyzing results, the distribution of professional drivers' quality and the existed problems are revealed.

经数据处理分析，探明了当前我国职业驾驶员的素质分布状况及存在的问题。

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While it is true that 95 percent of professional drivers are men, there are nearly 200, 000 female big rig drivers in the United States.

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Unlike other services, Sidecar uses everyday drivers, not professional drivers.

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Teams were made up of professional drivers and amateurs.

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