我们之所以能够区分远处看到的模糊形状和颜色,是因为我们的眼睛的能力。
The essence of e-commerce is retail, and the essence of retail is efficiency.
The only way to learn a new programming language is by writing programs in it.
修正错误,是人生必修课。不断“正心”,才能不走偏。