The goal of this portion is to higher understand how the customer is using your solution or service. Sample issues might incorporate: Good diagnosis: This can be the foundation in the remedy. With your diagnosis only therapy with the affected individual can get going. 从中心问题出发，向读者介绍有关这个研究案例（case）的背景信息。这里不是要重复case本身的事实，而是要把这个case放到一个研... https://miloafqur.blogkoo.com/the-smart-trick-of-case-help-that-no-one-is-discussing-54281326