价值链是通过其创造并将产品或服务交付给客户的一系列活动。
The value chain is the set of activities through which a product or service is created and delivered to customers.
"In the silence of the night, the writer finds the loudest voices."
Invention is the mother of necessity.
The deeper the sorrow, the greater the art.
I don't regret the past. It made me who I am today.