地圖不是領(lǐng)土。
The study of mathematics is a constant dialogue between the concrete and the abstract.
越南人民深深熱愛(ài)獨(dú)立、自由與和平。但在面對(duì)美國(guó)的侵略時(shí),他們團(tuán)結(jié)一致奮起反抗。
Forgetting is not a memory problem; it’s an attention problem.