1. cancel vt. 取消，废除
The match had to be cancelled due to the bad weather.
Ive lost my credit card, so I have to go to the bank to cancel it.
2. variable a. 易变的，可变的
Prices are variable according to the rate of exchange.
His mood is as variable as the weather.
3. prospect n. 前景，前途；景象
What do you think about the marketing prospect?
The prospect from the balcony was breathtaking.
4. prosperity n.兴旺，繁荣
The new government ushered in a period of prosperity.
Prosperity destroys fools and endangers the wise.
5.aspect n. 方面；朝向；面貌
This is only one aspect of the problem.
The building has a southern aspect.