operator
- n. 经营者；操作员；话务员；行家
英英释意
- 1. (mathematics) a symbol that represents a function from functions to functions;
- "the integral operator"
- 2. an agent that operates some apparatus or machine;
- "the operator of the switchboard"
- 3. someone who owns or operates a business;
- "who is the operator of this franchise?"
- 4. a shrewd or unscrupulous person who knows how to circumvent difficulties
- 5. a speculator who trades aggressively on stock or commodity markets