1·The hard volcanic stone was a resource that had been in great demand for many years, at least since the rise of the Olmecs (a people who flourished between 1200 and 400 B.
坚硬的火山岩是一种多年来需求量很大的资源，至少从奥尔梅克人（一种生活在公元前1200年至400年之间的民族）崛起以来是这样。
2·There is a great demand for volunteers in Africa because many people live in poverty.
志愿者在非洲的需求量很大，因为很多人生活在贫困中。
3·Oil is in great demand these days.
这些日子石油的需要量很大。
4·Great demand of material.
强大的选材需求。
5·This dictionary is in great demand.
这种字典销路很好。
6·Eg. Oil is in great demand these days.
这段日子油的需求在增长。
7·There is a great demand for these goods.
对这些货物的需求量很大。
8·Taxis are in great demand on rainy days.
下雨天要雇出租汽车的人很多。
9·Great demand has caused the price hike, too.
巨大的需求也导致了价格的大幅提升。
10·There is a great demand for our new product.
我们的新产品，需求量很大的。