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.
The safest way to double your money is to fold it over once and put it in your pocket.
The creation of a thousand forests is in one acorn.
You don't need a perfect voice to move people; you just need to sing from the heart.
Every life is a story, and every story is a life.
你牧师讲不了道是因为我。