是给弟弟买的，我也不清楚，不过觉得应该还好。喜欢啊1. There must be other forms of life in the universe, known as aliens, and most likely, they are watching us now; 2, within a thousand years, humans must find suitable alien bodies to immigrate, or else humans will die out; 3. Intelligent machines will be the "Terminator" of human beings.
