您要查找的是不是：
- He has just turned professional. 他刚转为专业人员。
- I have mastered the rudiments of economics. 我已精通经济学的基本原理。
- This survey is the work of a real professional. 这份调查是真正内行人做的。
- Professional boxing is no bed of roses. 职业拳击不是一碗好吃的饭。
- financial- economic professional ethics 财经职业道德
- A trained worker who is not a member of a given profession but assists a professional. 专业人员的助手受过训练辅助专门人员的非专职人员
- Economics is easy after you learn the lingo. 在学了专门术语后经济学就简单了。
- He is distinguished for his knowledge of economics. 他以经济学方面的精湛学识而著称於世。
- She is studying economics at college. 她在大学里读经济学。
- He plays the flute like a professional. 他吹长笛已达到专业人员的水平。
- He is over the hill as a professional athlete. 作为职业运动员，他已在走下坡路了。
- You are a professional, but I am an amateur. 你是专职的，我是业余的。
- A true professional could knock my efforts into a cocked hat. 遇上真正行家我的工作就相形见绌了。
- Have you ever thought about becoming a professional singer? 你曾想过要成为一名专业歌手吗？
- Professional mariachis in the old time were wandering minstrels. 古代墨西哥职业性的巡乐队队员都是旅行乐师。
- She is extremely professional in her approach to her job. 她对工作极为精通。
- The subject of Reaganomics is the supply-side economics. 雷根经济学的主题是供给面经济学。
- In professional competition you have to learn to keep your temper. 在与同行的竞争中，你得学会捺住性子。
- The economics of national growth are of great importance. 国民经济的增长情况具有极大的重要性。
- A true professional can knock my effort into a cocked hat. 遇上真正行家我的工作就相形见绌了。
