需求变化的英文：
change in demand
- The company is highly responsive to changes in demand.
该公司对需求的变化反应特别迅速。 - Recognition of changing demand has been the second Swiss trump.
掌握需求的变化，是瑞士钟表制造公司的第二个制胜法宝。
n. 变化；交换，交替；零钱
v. 改变；交换，替换；兑换；更换
- change a bed;change the baby.
换床单；给婴儿换尿布 - We propose 'a change [making a change / to make a change / that a change should be made].
我们建议应做一点改变。 - The change of quantity can causes the change of quality.
量变可以引发质变。 - Changing the rate of cylinder rotation changes the speed selected.
改变圆筒旋转速率就改变被筛选的速率。 - Inflammatory changes appear secondary to biochemical changes
炎症变化似乎是继发于生物化学的变化。
n. 要求，所需之物；需求，需要
v. 要求；询问，质问；命令；需要
- It is the demand, stupid.
傻瓜，答案是需求。 - Demand exceeds supply. The supply is not adequate to the demand．
供不应求 - I demand a recount.
我要求重算。 - The help are demanding higher wages.
雇工们要求增加工钱。 - He made an inexorable demand.
他提出一个无情的要求。