21. "If you fly as much as I do, you learn the tricks of the trade , " he said. 22. The attorney, however, conceded his former client had mastered at least some of the tricks of the trade . 23. He began preserving the tricks of the trade then using his camera, tape measurer and pad and pencil. 24. But it was difficult, Testa was a professional hit man and knew all the tricks of the trade . 25. Quite a feat for someone who learned the tricks of the trade through " interest and observation ". 26. Despite these insights into maturing gamers, game designers are still scrambling to understand the tricks of the trade . 27. Murdoch provided contacts and the tricks of the trade , although Johnston relied as much on his own instincts. 28. In order to learn the tricks of the trade he started as an agent for international design collections. 29. Kang-Jae was raised like a son by Se-ro's father, who taught him all the tricks of the trade . 30. Basically, franchisees buy the rights to a company's name, products and proven concept : the tricks of the trade .
