Sometimes the hardest thing and the right thing are the same.
"A good picture book is a silent conversation between the artist and the child."
体育教育的目标是发展完整的人,而不仅仅是他的肌肉。
The database is the heart of the application, and the application is the heart of the business.
A book is a version of the world. If you do not like it, ignore it; or offer your own version in return.