Volunteering is to give time to help others without pay.

志愿活动是无偿地付出时间去帮助别人。

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Volunteering our time to help people is a good way to learn new things.

自愿花时间帮助别人是学习新事物的好方法。

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So when you roll out of bed, you have something you look forward to doing that day, even if that's volunteering or it's time taking care of a grandchild or a niece or a nephew or whatever it might be.

因此，当你从床上起身时，你有期待着这一天要做的事情，哪怕是志愿者服务，或者到了该照顾孙子、侄女、侄子或者可能被照顾的人的时间点了。

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"And this fired my imagination. I thought,'My gosh, we could do something like that.'" Sir Clem Renouf, then president of Rotary International, convinced Rotarians across the globe to unite against the disease by raising money to fight the virus and by volunteering their time toward that effort.

VOA: standard.2010.08.02

Americans spend the most time out of any other people in the world volunteering in average four hours a week, volunteering outside their job which may also have a social objective more than any other people in the world.

比其他任何人所花的时间都多,平均每周有四个小时做志愿者的工作，做与自身工作无关的善事,他们比世界上其他人更具社会目标。

哈佛公开课 - 幸福课课程节选

Some of the little things that touched me were people all over the world just volunteering time, love and attention through hugs and words of solace.

CNN: Commentary: How social media shared pain and rage of Mumbai

From thousands answering Peace Corps appeals to help boost food production in Africa, to millions volunteering time, corporations adopting schools, and communities pulling together to help the neediest among us at home, we have refound our values.

CNN: State of the Union Address

The IRS does understand, however, that volunteering your time often comes with a price.

FORBES: Back to School: Volunteering Your Services