2考虑下你可以在志愿者行动上花多少时间。
Think about how much time you have to devote to volunteering.
志愿者行动就是他们的工作，也是他们的生活。
Volunteer activities are their jobs and they are also their lives.
他们本着自愿的原则，以志愿服务的形式，在北京奥运会志愿者行动项目体系内工作。
These people operate on the basis of free will, in the form of volunteer service and within the system of the Bejing Olympic Volunteer Program.
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