The poet is a dreamer who dreams with open eyes, and who sees the world not as it is, but as it could be.

【释义】经过多年努力也还不够，一旦毁坏却十分彻底。

"The success of machine learning depends on the ability to balance the trade-off between bias and variance in the models we build."

数学是一门活生生的学科，随着新思想的出现而不断发展。