Dickens's "___ of Two Cities"The answer is A Tale.
参赛作品要求设计方向：题材不限，但须结合产品的「透视窗」物理特性，考虑 CD 旋转时的动态视觉效果，而非简单的图案覆盖。。关于这个话题，旺商聊官方下载提供了深入分析
tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.，详情可参考夫子
The Segway F3 is designed with turn signals, a bell, a bright display, and a feature-rich app experience.
await writer.write("Hello, World!");