The teacher must be a student of the child as well as of the subject.
教师必须既是学生的研究者,也是学科的研究者。
小说是一种非常宽容的形式。它几乎可以容纳任何东西。
Sustainability isn't a choice—it's our responsibility to future generations.
学习新编程语言的最好方法是用它编写程序。