Furthermore, the paper points out the librarians 'expertise and professional skills that they should master in the environment of network and the way of improving their skills in network service.

指出图书馆员在网络环境下应具备的业务技能及提高网络服务技能的途径。

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During selling: For the customers, we will offer the professional skills training, expertise, and increasing the practical operation and demonstration of common sense and maintenance training.

售中：为客户提供规范的专业技术培训，增加专业知识并进行实际操作演示和维护常识的培训。

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C6 To have sound professional knowledge structure and the higher level of expertise and skills.

C6 具备完善的专业知识结构，较高的专业知识水平和技能及较好的独立思考能力和综合分析能力；

youdao

They are also helping these newcomers start businesses and obtain jobs in critical fields like the health care industry, allowing them to use the professional skills, expertise, and experience they brought with them to their new country, which benefits all Americans.

WHITEHOUSE: Champions of Change: Immigrant Integration