Drugs have a totally different cost structure.
药物具有一个完全不同的成本结构。
New technology has a different influence on the cost-structure of these two kinds of instruction.
新技术对这两种教学成本结构的影响是不同的。
New technology has a different influence on the cost-structure of these two kinds of instruction.
新技术对这两种教学成本结构的影响是不同的。
应用推荐