The worth of a mental process is in its service to life.
心理过程的价值在于它对生命的服务。
The most important thing is to always keep the user at the center of everything we do.
技术不仅仅是一种工具,它可以让学习者拥有以前可能没有的声音。
巴菲特反对股票分割配股,他甚至半开玩笑地在朋友的生日贺卡上写到