作为 a 系列，Headphone (a) 也提供了黑白之外的配色：鲜艳的黄色，还有淡雅的粉色。
Current working directory，详情可参考新收录的资料
Version management: Each system state is versioned, making tracking easier，更多细节参见新收录的资料
FirstFT: the day's biggest stories
You owe us for rich history, proud Welshman Matthew Rhys tells United States
· 马琳 · 来源：dev热线