Start school later, sleep longer, learn better: New study shows that flexible school start times can be an effective and practical approach to reducing chronic sleep deprivation and improving adolescents’ mental health and academic performance.

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市场逻辑已然生变，民营酒店企业亦在积极探寻应对之策，尝试转变思路与打法，在存量博弈中寻找新的增长路径。