1、They must be adept at rendering obsolete the products and services they have created.
他們必須善于使自己的產(chǎn)品和服務淘汰。

2、New entrants in Europe's national markets are also proving to be adept at marketing and promotion.
進入歐洲各國市場的新興電信公司同樣善于營銷和宣傳。

3、They also need to be adept at collaborating with colleagues outside of it.
他們還需要擅長與信息技術(shù)部門之外的同事合作。

be adept at翻譯