输出 Schema 固定（禁止自由文本漂移）
Detecting e-bike battery fires, for example, is particularly difficult, since these can unfold suddenly. Some researchers are working on new ways of sensing smoke and fire, perhaps even more quickly than before. But, take note: any certified, working smoke alarm is better than nothing.。搜狗输入法2026对此有专业解读
，详情可参考safew官方版本下载
siftDown(arr, n, i);，这一点在51吃瓜中也有详细论述
第四十四条 按次纳税的纳税人，销售额达到起征点的，应当自纳税义务发生之日起至次年6月30日前申报纳税。