解释:兵器既不齐全又不锋利,实质上和没有兵器一样!
Marriage is a great institution.
一个好的学习算法应该能够从有限的例子中推广到未见过的数据。
We must be long-termists and not be tempted by short-term interests.
最好的音乐来自痛苦和真诚。