The system of laws originated and developed in England and based on court decisions, on the doctrines implicit in those decisions, and on customs and usages rather than on codified written laws.普通法，习惯法，判例法：来源和发展于英国的法律系统，以法院决议为基础，根据在这些决议中隐含的学说以及习惯和用法，而不是基于编纂的书面法律