我们都是时间旅行者，以生命的速度向前移动，但总是回头看。
"We are all time travelers, moving forward at the speed of life, but always looking back."
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
解释：每种药材的生长都有其特定的环境和条件，说明药材产地与品质的关系。
The unsaid is often more powerful than the said.