aero (车辆等)流线型的

例：We lowered the front end for more visibility, and softened the lines for a more aero look.

affiliation 1 联营公司

例: We have a number of affiliations throughout the country.

affiliation 2 附属机构

例: Please put your name, address and affiliation.

advantageous 有利的

例:Applicants with a background in engineering or processing would be highly advantageous.

adversarial relationship 长期敌对关系,长期关系紧张

例:Top management called on the company’s division heads to start acting like members of the same team rather than displaying an adversarial relationship.

advertising agency 广告公司

例: You need to employ an advertising agency to create a product image.

advertising business 广告业

例: Dentsu is in the advertising business.(Dentsu日本电通公司)