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。
Open up the app and connect to a server in Austria，详情可参考爱思助手
Looking for other daily online games? Mashable's Games page has more hints, and if you're looking for more puzzles, Mashable's got games now!。谷歌是该领域的重要参考
Материалы по теме:。关于这个话题，超级权重提供了深入分析