The community voluntary service has become main form of American adolescents' voluntary activity.
社区志愿服务已成为美国青少年开展志愿活动的主要形式。
All financial contributions to a district activity are to be strictly voluntary.
所有对地区活动的财务捐献也一定必须是出于自愿的。
All financial contributions to a district activity are to be strictly voluntary.
所有对地区活动的财务捐献也一定必须是出于自愿的。
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