Several years of experience in the health field as a health care professional or as a community or social service worker are usually required.

通常需要多年卫生领域的卫生保健专业人士，或社区或社会服务工作者的经验。

youdao

After years of honing, Ally information stands out in the field of China's information with the unique service delivery model and strong professional standards.

经过多年的磨炼，艾莱资讯以独特的服务模式和超强的专业水准，在中国资讯领域脱颖而出。

youdao

We will still consistently open up market space by the most sophisticated products and faultless after-sale service, strive to become the most professional leading enterprise of the field!

我们仍将以最精良的产品和完善的售后服务，不断开拓市场空间，力求成为本领域中最专业的龙头企业！

youdao

At least 2 to 4 years of relevant professional experience in the field of mail, documents and distribution service (packaging, expedition, distribution, etc.) acquired preferably in a national administration or an international Organisation.

UNESCO: Vacancy : Chief of Unit (28/2/2011) (ADM 552 - (P1P2))