In the sentence 'They often go to Italy because they love the food', 'They often go to Italy' is the main clause 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。

The main clause talks about the likely result.

主句谈论可能的结果。

By definition, every sentence must have a main clause.

照定义，每个句子都会有一个主要的子句。

A conditional clause needs a main clause to make a complete sentence.

从句可置于主句前或主句后，与主句共同构成完整的句子。

A purpose or reason clause needs a main clause to make a complete sentence.

目的状语从句和原因状语从句与主句一起构成完整的句子。