"how many" 和 "how much" 都是用来提问数量的疑问词,但它们的使用场景不同。"how many" 通常用于不可数名词前,如 "How many apples do you have?",询问的是具体的数量,而 "how much" 则通常用于可数名词或不可数名词前,如 "How much money do you have?" 或 "How much water is in the bottle?",询问的是总价或体积等。