It is the duty of a student to get everything out of a teacher， and the duty of a teacher to get everything out of a student.
从老师那里学到一切是学生的责任，充分激发学生的全部潜力是老师的责任。
"The success of machine learning depends on the ability to balance the trade-off between bias and variance in the models we build."
个人投资者应该始终如一地作为投资者而不是投机者行事。