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来源：雅诚德英语网
A statistic on adults who regularly engage in volunteer work helping others shows that they live longer, on average, than adults who do not volunteer.
对定期参加志愿服务帮助他人的成年人的调查数据显示，这类人群的平均寿命比不做志愿服务的成年人要长。
A statistic on adults who regularly engage in volunteer work helping others shows that they live longer, on average, than adults who do not volunteer.
对定期参加志愿服务帮助他人的成年人的调查数据显示，这类人群的平均寿命比不做志愿服务的成年人要长。