对黑洞的研究彻底改变了我们对空间和时间的理解。
有些选择返回乡村的人,当地人十分欢迎他们回乡。因为他们在城市获得了知识,技术,和人际关系,通过互联网的帮助,他们可以创造更多工作,在发展较落后的地区将农业升级并创造更多商机。
Technological innovation must go hand in hand with ecological protection, which is the responsibility of our industry.
The best way to get what you want in life is to deserve what you want. How could it be otherwise? It’s not crazy enough so that the world is looking for a lot of undeserving people to reward.