注意事项：通常没有薪酬，持续时间可能很长，自愿加入。

Things to note: usually no pay; possibly for a long period; you need to volunteer first.

youdao

注意事项：通常没有薪酬，持续时间可能很长，自愿加入。

Things to note: usually no pay; possibly for a long period; you need to volunteer first.

youdao