international volunteer day for economic and social development
Related Translations:
志愿: 1.(志向和愿望) aspiration; wish; ideal 短语和例子祖国的需要就是我的志愿。 my wish is to do what my country needs me to do.2.(自愿) do sth. of one's own free will; volunteer; voluntarily 短语和例子志愿参加这项事业 volunteer in