Now, in fact, they couldn't do it for a lot of reasons today. 现在，事实上，由于一些原因，他们不能做到这一点。 One of the reasons is a lot of their telephones use IP protocol and use things like Skype and so on that go throu
TED演讲：David Steindl Rast Want to be Happy be Grateful大卫·斯坦尔德-拉斯特: 想要快乐？学会感恩 There is something you know about me, something very personal, and there is something I know about every one of you a
I'd like to start with a short story. 我想先讲个故事。 It's about a little boy 有个小男孩 whose father was a history buff 他父亲是个历史爱好者， and who used to take him by the hand 常牵着他的手 to visit the ruins of an an
