They use their own specialized knowledge and the special skill to provide all kinds of services for the society.

他们利用自己的专门知识和特殊技能来向社会提供各种形式的服务。

youdao

They use their own specialized knowledge and the special skill to provide all kinds of services for the society.

他们利用自己的专门知识和特殊技能来向社会提供各种形式的服务。

youdao