电影制作的艺术是操纵时间和空间的艺术。
Efficiency is doing things right; effectiveness is doing the right things.
The history of mathematics is a testament to the ingenuity and creativity of the human mind.
I'm grateful for everything in my life.
Sustainable development requires us to balance economic growth with environmental protection.
教师是学校里最重要的师表,是直观的最有教益的模范,是学生的最活生生的榜样。