make the code autovectorisation-friendly, and Opus seems confidently wrong about autovectorisation more often than
Green: Math terms
，更多细节参见必应SEO/必应排名
等他们20岁，想订酒店的时候，他们会怎么做？会去应用商店搜某个OTA，然后下载注册登录筛选比较？还是直接对着手机说“帮我订个西湖边能看到山的酒店”？
// pure computation — no capabilities needed