zhēn pí fān bù hé chéng gé tīng qǐ lai xiāng jìn shǐ yòng tǐ yàn kě néng chà hěn duō真皮、帆布、合成革听起来相近,使用体验可能差很多。Genuine leather, canvas, and synthetic leather sound similar, but the user experience can be very different.