Introduction Whether you are a businessmen or not, you have some business dealings everyday.Maybe you don't believe this, but it's true.We are all part of this business world and involved in the business activities in some way. 制价爱行蜀易大考Introduction Introduction Whether you are a businessmen or not, Whether you are a businessmen or not, you have some business dealings you have some business dealings everyday. Maybe you don everyday. Maybe you don ’t believe this, t believe this, but it ’s true. We are all part of this s true. We are all part of this business world and involved in the business world and involved in the business activities in some way. business activities in some way