志愿者一般提供劳动，做教师或者在健康中心做助理。他们还可以做研究工作。大学生可以通过这些获取工作效率研究学分。

Volunteers generally provide labor and do things like teach and assist at health centers. They can also do research. College students can earn work-study credits.

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许多研究声称，电脑会分散人们的注意力，让他们变得懒惰，甚至降低工作效率。

Many studies claim that computers distract people, make them lazy thinkers and even lower their work efficiency.

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研究表明，在处理一项任务之前，只要锻炼十分钟，就可以通过增加流向大脑的血液量来提高工作效率。

Studies have shown that exercising for as little as ten minutes before handling a task can improve performance by increasing the flow of blood to the brain.

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