Focus on the pronunciation of source
English definition of “source”
/sɔrs/, /soʊrs/ n [C]
› something or someone that causes or produces something, or is the origin of it: a source of energy/light Spinach is a good source of vitamins. His wife was a constant source of inspiration to him. › A source is also someone or something from which you obtain information: The reporter refused to cite the names of her sources.