中科新闻网是一部内容开放、自由的互动网络百科全书客观、专业、权威的知识性百科全书
来源：百度文库 编辑：中科新闻网 时间：2024/05/04 18:52:11
In our country ,both families and scools often teach students that should be industrious and frugal,don't go after famous brand.
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