要具备某方面的专业知识和能力的翻译：To have a professional knowledge and skills 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

To have a certain expertise and ability to

To have a professional knowledge and skills

Must have some aspect specialized knowledge and ability

It is necessary to have a particular expertise and capacity

To have a professional knowledge and skills