paper: “notebook paper with subtle ruled lines”
// 优化：如果本轮没交换，说明已经有序
，这一点在体育直播中也有详细论述
stroke_texture: “visible pencil grain”
The most common task with streams is reading them to completion. Here's what that looks like with Web streams:
Поисковику Google предрекли «смертельный удар»
· 胡波 · 来源：tutorial资讯