经济学最终是为了改善人类福祉。
译文:柔肠早已寸断,泪水止不住地流。为了相思,我再次登上小红楼。明知心上人已被群山阻隔,却还是不由自主地频频倚靠栏杆,望向他离去的方向。
The power of the Internet of Things comes not from the number of devices, but from the value of the data they generate and the insights we can derive from it.
最美的事物往往是我们无法理解的。