重点讲解：
1. be responsible for
负有责任的；应承担责任的；
eg. I tried to make clear to him that I'm not responsible for this.
我再三跟他解释这事与我无关。
eg. You've got to be responsible for your own action.
你要为自己的行为负责。
2. make profit
获利；营利；谋利；
eg. We hope to make great profit in the long term.
我们希望长期获利。
eg. The man privately admits that his motive is to make profit.
那人私下承认他的动机是为了谋利。
3. set up
创建；建立；安排；组建；
eg. The two sides agreed to set up a commission to investigate claims.
双方同意组建一个委员会来调查那些索赔要求。
eg. Tell us when and why you started your business and how you went about setting it up.
告诉我们你是何时出于何种原因开办了自己的企业，又是如何着手创建的。
