Expertise
01
专业知识, 熟练
high level of skill, knowledge, or proficiency in a particular field or subject matter
语法信息
有生性状态
抽象
形态构成
复合词
不可数
例子
His expertise in digital marketing helped the company achieve significant online visibility.
他在数字营销方面的专业知识帮助公司实现了显著的在线可见性。
