consultancy
/kənˈsʌltənsɪ/noun
(pl. -ies)
1- a professional practice that gives expert advice within a particular field, especially business（尤指商业领域）顾问职业; 咨询业：
as modifier a management consultancy firm.管理咨询公司。
1.1
- mass noun the work of giving such advice顾问工作; 咨询工作。