Even authorised users require specialist knowledge to operate them.

即使是授权用户也需要有专业知识才能操作它们。

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Others are well-paid managers or professionals who have specialist knowledge of an industry.

还有拥有高收入，对产业具有专业知识的经理人或专家。

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This approach enables developers without specialist knowledge to build sophisticated systems.

该方法让不具有专家知识的开发人员能够构建成熟的系统。

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The firm is now searching for someone with a specialist knowledge of growing giant vegetables.

BBC: Pumpkin seed bought online for ?168

Having a strong point of view also requires specialist knowledge or a distinct outlook.

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Under current rules, lawmakers can trade stock unrestricted even though they may have specialist knowledge.

BBC: US Senate backs Congress insider trading ban