American law belongs to the Common law legal system which mainly origins from case law.
美国法属于以判例为主要法律渊源的普通法法系。
The system of anticipatory breach of contract which originated from the two cases of the British emperor court was abided by other courts of the countries of the common law legal system.
预期违约源于英国王座法院的两个判例，之后很快得到英美国家其他法院的引用和遵循。
Canada has the further advantage of being at the crossroads of the world's two main legal traditions, the civil law system, and the common-law system.
加拿大的进一步优势，是集世界两个主要法律传统——民事法律制度和普通法制度的大成。
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