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值得注意的是，现在有越来越多三四线市场的自有品牌开始反攻一、二线城市，它们的核心优势就是成本结构——郑州能涌现出多个规模连锁，正是因为激烈竞争倒逼出了低成本、高标准的供应链，所谓“河南成本，世界标准”，本质就是综合成本的差异。
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"Competition can create innovation, but if there's a narrower focus on national interest and on establishing ownership, then you can lose sight of the bigger picture which is exploring the solar system and beyond," he adds.。业内人士推荐夫子作为进阶阅读
Rebecca Morelle,Science Editorand