The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
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。
可持续性不再是一个选择,而是一个商业必须。
So many good ideas are never heard from again once they embark in a voyage on the semantic gulf.