everyone assumes it must be hard---just because no one has solved it yet,
No operator overloading. + means numeric addition or string concatenation. It cannot be redefined for custom types. This keeps the meaning of expressions predictable — you can read a + b and know exactly what it does.。关于这个话题，whatsapp提供了深入分析
在进一步深化改革、破除制约新质生产力发展的体制机制障碍上取得新成果，详情可参考手游
More mackerel is caught in British waters than any other fish – in 2024 UK vessels landed more than 230,000 tonnes of the species.
举个例子，过去的手机行业也出现了很多专用手机，镶钻的、面向高端商务人群的奢侈手机，这种产品也有人买单。但最后决赛圈反而是华为小米、OPPO、vivo这些从一开始就建设通用硬件能力的厂商获胜。