求翻译：这是一种利他主义和慈善主义精神的发展标志,志愿者是在不为任何物质报酬的情况下，为改进社会而提供服务、贡献个人的时间及精神的人，他们会利用自己的时间、自己的技能、自己的资源、自己的善心为邻居、社区、社会提供非盈利、无偿、非职业化援助的行为。是什么意思？

This is a altruistic doctrine and charitable doctrine spirit of development flag, volunteers is in not for any substances reward of situation Xia, for improved social and provides service, and contribution personal of time and the spirit of people, they will using own of time, and own of skills, and own of resources, and own of charity for neighbors, and community, and social provides non-profit, and free, and non-professional assistance of behavior.