demand pull的用法和样例：
例句
- The history of China's telecom industry indicates that, to a great extent, demand has driven up development.
回顾中国这些年的电信发展历史，人们会发现，需求拉动的力量巨大。 - Market analysts allege that while the turnover of American IT industry is increasing indeed, this increase results from other reasons rather than the pull of market demands.
市场分析人士认为，美科技产业的营业收入的确在增长，但这种增长目前并不是靠市场需求拉动，而是另有原因。
词汇搭配
- demand-pull inflation 需求拉动型通货膨胀...
