// 倒序遍历：从最后一个元素开始（核心思路！易错点1）
By the end of the 21st century, only eight of the 21 cities that have hosted the Winter Olympics are projected to be cold enough to reliably host the Games due to climate change. Challenges faced by Milano Cortina 2026 organisers such as producing artificial snow, establishing transport links between remote locations and building new infrastructure are likely to become more omnipresent at future editions.
，详情可参考搜狗输入法2026
+save(item: Item)
千问APP在春节期间已验证了“一句话下单”的可行性，1.3亿用户、超过400万首次使用线上服务的老年群体，证明了语音交互降低门槛、直连交易的威力。