什么是言论自由?没有冒犯的自由,言论自由就不复存在。
The most dangerous risk of all is not taking one.
Cloud computing is not a technology, but a service model.
弦理论提供了一个框架,使得量子力学和广义相对论能够和谐共存。
The wild is a place of extremes. To survive, you have to embrace both the highs and the lows.