cancel, abolish, repeal 这些动词均含“取消、废除”之意。

1. cancel 用法广泛，多指取消债务、合同、证书、比赛、旅行、计划或约会等。如：

They cancelled the meeting.

He cancelled his order for the books.

We may have to cancel the plan.

I haven’t had to cancel my appointment after all.

2. abolish 是一个正式用词，指彻底废除某种制度、规章或习俗。如：

The following year Parliament voted to abolish the death penalty for murder.

They were faced with the demand that this tax be abolished.

3. repeal 是一个书面用词，指撤销立法机关通过的协议、法案或法律等。例如：

Next year will be the 60th anniversary of the repeal of Prohibition.

Many voted for the repeal of that property law.