be adept at造句

1、They must be adept at rendering obsolete the products and services they have created.
他们必须善于使自己的产品和服务淘汰。

2、New entrants in Europe's national markets are also proving to be adept at marketing and promotion.
进入欧洲各国市场的新兴电信公司同样善于营销和宣传。

3、They also need to be adept at collaborating with colleagues outside of it.
他们还需要擅长与信息技术部门之外的同事合作。