英语语法分析

Such changes are also indicators of economic dynamism and demographic expansion.

这些变化也是经济活跃和人口膨胀的指示器。

《柯林斯英汉双解大词典》

There are substantial differences among consumers with similar demographic characteristics.

具有相似人口统计学特征的消费者之间存在实质性差异。

By the mid-19th century most of Europe was in the first stage of the demographic transition.

到19世纪中叶，欧洲的大部分地区处于人口转变的第一阶段。