philanthropist 或 humanitarian
pay out of one's own pocket
left-behind children
animal conservationists 或 Animal rights activists 或 Wildlife activists
These children back and forth on the journey, like migratory birds,becoming a scence during the summer holidays
够了吗?最后一句话里是“成为暑运（就是暑假客运高峰那段时期）的风景”不是暑假，“暑运”怎么翻呢，还有一个“散养的猕猴”怎么翻译啊。谢谢啦！~春运（passenger）transport during the Spring Festival period暑运 transport during the summer holidays客流高峰期 peak time for passenger transport暑假客运高峰那段时期 peak time for passenger transport during the summer holidays猕猴 Macaques散养的 Field herding散养的猕猴field herding macaques