同学们很感激他但他却说志愿者行动是伟大的不仅帮助了别人也帮助了自己所以我很快乐的翻译：Classmates is indebted to him but he says that volunteering is great not only help others help themselves so I am very happy 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Students are grateful to him but he said action is great not only volunteer to help the others to help themselves so I am very happy

Classmates is indebted to him but he says that volunteering is great not only help others help themselves so I am very happy

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Students are very grateful to him but he says volunteer activities are not only helping others is also great in helping their own so I was very happy

Classmates is indebted to him but he says that volunteering is great not only help others help themselves so I am very happy