plenty of，“大量的.，充裕的”，用來修飾可數名詞和不可數名詞，用法同a lot of/lots of。
例：
There are plenty of eggs in the market.
市場上有很多雞蛋。
I need plenty of time to finish the work.
我需要很多時間來完成這項工作。
There is plenty of room in my bag.
我包裡還很空.
There are plenty of men out of work.
有很多人失業.
We have plenty of time to finish the job.
我們有充裕的時間完成這項工作.