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.
建筑应该扎根于其所在的地方，但也要面向世界。
Nothing exists except atoms and empty space； everything else is opinion.
Borders are scars on the face of the earth, marks of violence and division.
We must build dikes of courage to hold back the flood of fear.