1.   A clear explanation of the subject provides a frame on which a deeper understanding can be built.

2.   At the very least a clear case is owed a clear explanation if it is rejected.

3.   Each book in this highly-acclaimed series provides clear explanations of some of the main principles behind language teaching.

4.   He was himself a greatly talented teacher, a master of clear explanation and a fine blackboard artist.

5.   I have become confused recently and would appreciate a clear explanation.

6.   The tutorials in the maths and science books contain clear explanations for how to arrive at the answers.

7.   The ability to give clear explanations is the most important quality of the ideal teacher.

8.   No single clear explanation emerges to explain the high pitted counts in alcoholic liver disease and it is likely to be multifactorial.

9.   We have no clear explanation for the thrombosis of the pseudoaneurysm in our case.