What is a good sentence with the word sufficient?

Answer 1

Sufficient simply means that there is enough of something, so whenever you hear the word "sufficient", just think, "enough".

As for sentences, you can have many. The sky's the limit here. But since you've asked, a simple yet good one would be:

In our classroom, we have sufficient textbooks to supply each student with their very own; thus, each individual is capable of learning concepts which may not have necessarily been covered in class lectures.