—— 请按键盘 空白键 开始游戏 ——

用心体会整理才能理解精确得当,所以应当沉着稳重,不然就成了口头耳边的小事,过后就忘了。事理要以典故为依据,因此必须学识广博,否则就成了随意推测,胡编乱造。
Mathematics is not just about numbers and equations; it's about understanding the patterns and structures that underlie everything in the universe.
I'm not a professional photographer, I'm a professional looker.