孩子天生就能改进他们的行为,而且他们也喜欢这样。心理学家说,孩子必须游戏、因为借着游戏,孩子的发展才能更趋完善。
对物质拓扑相的研究证明了理论物理学在预测和解释新物质状态方面的力量。
I don't want to live forever, but I do want to live while I'm alive.
The spaces between buildings are as important as the buildings themselves.