The company has been forced to reduce its price, despite the fact that the offer has been very popular.

despite 是介词，意思是"尽管、虽然"，表示让步关系。 the 是定冠词，用于特指某个事物。 fact 是名词，意思是"事实、实际情况"。 that 是连词，用于引导同位语从句，说明 fact 的具体内容。 despite the fact that 是一个固定搭配，相当于 although 或 even though，表示"尽管...的事实"，用于引出让步状语从句。