求翻译：他们没有固定的老师，没有先进的知识，最重要的是，他们没有钱上学，村子里没有钱办学校，但是他们渴望知识，他们渴望有一个不漏雨的教室，渴望有一块好的黑板，渴望每人都能有一本教科书，总而言之，贫困山区孩子的教育是落后的，环境是恶劣，这究竟是什么原因呢是什么意思？

They do not have fixed the teacher, no advanced knowledge, most importantly, they do not have the money to go to school, village schools have no money, but they thirst for knowledge, they want rain have left out of the classroom, eager to have a good blackboard, desire for each person can have a tex

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They no fixed of teacher, no advanced of knowledge, most important of is, they no money school, village in no money Office school, but they eager to knowledge, they eager to has a does not leakage rain of classroom, eager to has a good of Blackboard, eager to per person are can has a this textbooks,

They do not have fixed teacher, does not have advanced knowledge, the most important thing is, they do not have money that go to school, there is no money to run the school in the village, but they thirst for the knowledge, they wish eagerly have one classroom that does not leak, wish eagerly have o