Case-Based Reasoning is a strategy which gets the most similar sourcecase in the memory by the hints of the target case and gets the answers by the instruction of the sourcecase.
范例推理是由目标范例的提示而得到记忆中最相似的源范例，并由源案例来指导目标范例求解的一种策略。
2
His case has become a source of contention between civil liberties activists and the government.
他的案子已变成了公民自由活动家们和政府之间的争论缘由。
《柯林斯英汉双解大词典》
3
In this case, a "source" is an instance of a delivery process that is to be extended.