If a line was the same as it was on the last frame, it was skipped
// 优化点：仅i<len时赋值（避免重复赋值，提升效率）
，更多细节参见91视频
A new generation of Samsung Galaxy is here. The Samsung Galaxy S26 made its debut during Samsung Unpacked on Wednesday, Feb. 25, and preorders start today ahead of its March 11 release.，详情可参考搜狗输入法2026
Мерц резко сменил риторику во время встречи в Китае09:25
allocation+copy that the hand-optimized code always does at the end.