Q：What contribution did you make to your current (previous) organization?
你对目前/从前的工作单位有何贡献?
A：I have finished tHRee new projects, and I am sure I can apply my experience to this position.
我已经完成三个新项目，我相信我能将我的经验用在这份工作上。
Q：What do you think you are worth to us?
你怎么认为你对我们有价值呢?
A：I feel I can make some positive contributions to your company in the future.
我觉得我对贵公司能做些积极性的贡献。