change 
英 [tʃeɪndʒ]  美 [tʃeɪndʒ] 
n. 变化；交换，交替；零钱

v. 改变；交换，替换；兑换；更换

例句：
What is needed is a change of attitude on the part of architects. 

目前需要的是建筑师们改变态度。

I think I've noticed a change of tone in official pronouncements on the subject. 

我觉得我注意到官方公告对这个问题的语气变了。

There's been a change of plan. 

计划有变。

The ambassador appealed for a change in U.S. policy. 

大使呼吁美国在政策上作出改变。

Let me know if there is any change in the situation. 

如情况有变请告诉我。

You're going to have to make some basic changes to your lifestyle if you want to live to a decent age. 

如果想活到一个像样的岁数，你得对你的生活方式作一些根本的改变。