Lack of communication causes serious problems and their marriage is a case in point. 缺乏交流会导致严重问题，他们的婚姻就是个明证。
There's a real lack of science teachers. My son's school provides a case in point where an English teacher is now delivering science lessons.
The quality of health care is declining rapidly. Case in point: your mother's recent experience in hospital.
Some can be transmitted without obvious symptoms, this disease being a case in point.
See also: case noun (SITUATION)