qulification、come into effect、go back on our word、ensure、be charged for、the view

1. What do you think is the most important qulification for a salesperson? 你觉得作为一个销售人员最重要的是什么？
2. The contract comes into effect today,we can't go back on our word now.合同已于今日生效，我们已经不能反悔了。

3. I ensure to you that this won't happen again. 我向您保证不会再发生了。

4. I'm afraid you will have to be charged for damage.恐怕您得付赔偿费。

5. The view here is beautiful. 这里的景色很美。