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。
You have to believe in yourself when no one else does.
成功不是终点,失败也并非致命,重要的是继续前进的勇气。
The true teacher defends his pupils against his own personal influence. He inspires self-trust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.
The human mind is so complex and things are so tangled up with each other that, to explain a blade of grass, one would have to make a diagram of the universe.