the primary\underlying\deep-seated cause of higher prices was an increase in demand
an increase in demand ofen gives rise to\contributes to higher prices
the greater demand has exerted a considerable \significant(重要的）\far-reaching influence\impact on the prices
词组搭配句型
列中文提纲 拓展思路 (正面反面）
key word
past present future
individual family society government
local china world
indeed
it is true that
be participants rather than onlooks
a is very important to b
=a has exerted\exercised a nagitive \positive \far-reaching \profound \influence\impact on b
