You must meticulously study
...支持 » The local government invested a large amount of financial support 你们必须认真学习 » You must meticulously study 几年前，房屋是矮小的，道路窄的，是泥泞的，环境是恶劣的，。
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你们必须认真学习 » You must seriously study 今天真无聊。依然是下午上补习班，晚上写作业。
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You must be seriously studied
你们必须认真学习 » You must be seriously studied 我做变压器工程，采购很多年， » I do transformer engineering, procurement for many years, 林飞 » Lin Fei ..
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