鹰从未像他屈服于向乌鸦学习时那样失去如此多的时间。
当我接近一个孩子时,他激发了我两种情感:对他现在的温柔和对他未来可能成为的尊重。
错误经不起失败,但是真理却不怕失败。
The value chain is the set of activities through which a product or service is created and delivered to customers.