In the sentence 'They often go to Italy because they love the food', 'They often go to Italy' is the mainclause and 'because they love the food' is a subordinate clause.
在They often go to Italy because they love the food这个句子里,They often go to Italy是主句,because they love the food是从句。
《牛津词典》
2
By definition, every sentence must have a mainclause. Every clause has a subject and a predicate, which includes its verb.
照定义,每个句子都会有一个主要的子句。每个子句都会有其主词及谓词,包括其动词。
3
A purpose or reason clause needs a mainclause to make a complete sentence.