17  dictionary, we find explanations such as "dedication," "discount," and "a free gift." For Japanese people, an expression like "family service," where the word "service" in Japanese is used as a synonym of family "duties" in English, sounds very familiar. "Overtime service" -- meaning volunteer overtime work -- and "we offer you some services!"
-meaning that we offer customers services at a discount -- also sound familiar in Japan. As is evident from these examples, the Japanese word "service" implies the concept of "free of charge." On the contrary, no such meaning can be found in an English dictionary.