'Incredible gift'
TCL has finally released its RayNeo Air 4 Pro smart glasses, alongside two limited-edition Batman-themed models. These AR glasses are the world's first smart glasses with an HDR display, and they're designed for watching movies and playing video games. While most smart glasses are priced at $500 or more, the new RayNeo AR glasses are priced at $299, which could shake up this emerging market.
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"It's not young people's failure ... It's the system's failure, both in the labour market and in the schools, skills, employment support, mental health and welfare system that is letting young people down."，详情可参考夫子
* 时间复杂度：O(n log n)（主要来自排序），空间复杂度：O(n)
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