抽象的目的不是模糊,而是创建一个新的语义层次,在这个层次上可以绝对精确。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
"The stage is a place where the dead return."
成功交易的关键是知道何时买入和何时卖出。
我不是神,我是女神。