mountain stone of learning problem
...生孩子是整个社会的事 » Has a child is the entire society's matter 它山之石可以攻玉 » Mountain stone of learning problem 一个地区运输业发达经济就会好 » Developed a regional economy will be better transport ..
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mountain stone of learning problem
山石的学习问题
以上为机器翻译结果，长、整句建议使用 人工翻译 。