Canadian libel law is based on English common law.

加拿大的诽谤法是以英国的习惯法为根据的。

England has had a central system of common law for centuries.

英格兰几个世纪前就已经拥有了中央共同法体系。

Common law is based on tradition, precedent, and custom.

普通法以惯例、先例和习惯为基础。

Without the common law many statutes would have no meaning.

如果没有普通法，许多制定法将变得毫无意义。

Contract law and the law of tort are almost entirely common law.

合同法和侵权法差不多就完全构成了普通法的主体。