一个试图教学而不激发学生学习欲望的教师，就像在冷铁上敲打。
A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.
The internet should be for everyone - it's too important to leave anyone behind.
I'm interested in the tension between control and chaos.
想象力只是模仿，批判精神才能创造。
Collaboration is key. No single company or country can solve the energy and climate challenges alone.