在孩子身上获得最好的收获,请只花你预算的一半的钱,但花双倍的时间陪伴他们。
For the best results with your children, spend only half the money you think you should, but double the time with them.
I'm on the right track, baby I was born this way.
The pursuit of mathematical truth is a pursuit of beauty, elegance, and simplicity.