expertise
n. 专长，专门技能（知识）；专家的意见
例句
Griffith's expertise is in writing legal briefs.
格里菲思的专长在于撰写法律案情摘要。
《柯林斯英汉双解大词典》
We have the expertise to help you run your business.
我们有帮助你经营自己业务的专门知识。
《牛津词典》
We need to tap the expertise of the people we already have.
我们需要利用我们现有人员的专业知识。
