当我退役的时候，我希望回头看我走过的路，每一天，我都付出了我的全部。
Investing in sustainable forestry is investing in our planet's future.
我不喜欢被一件事定义。我不仅仅是一个网球运动员。
The mind is a system of interrelated processes.
Investing in research today is saving lives tomorrow.
数学的语言是宇宙的语言，通过学习它，我们可以理解宇宙。
The writer must be a person who is willing to take risks.
The Internet is a tool for communication, but it also requires us to be good listeners.
树枝迎来南北飞鸟，树叶送走往来清风
Liberty cannot be preserved without a general knowledge among the people.