给定系统中的酸和碱不是绝对的,而是相互关联的。
"A story is a letter that the author writes to himself, to tell himself things that he would be unable to discover otherwise."
我在数学上花的时间越多,我就越兴奋。
"Writing is the art of listening to the whispers of the universe."
要善于辨别投资机会和陷阱,不要盲目追随市场热点。