/keɪs/
n. 具体情况，实例； In many cases, Rust requires you to acknowledge the possibility of an error and take some action before your code will compile. Handle the rest of cases. 处理其余的情况。 n.病例，病案；诉讼，官司；案件，案子；容器，箱子；事实，论据；（特定处境或品性的）人；（语法的）格 v.围绕，包盖；（盗抢前）探察，踩点儿；装入保护容器内 Just in case. 以防万一
In case you have problems.
In my case.