Complimentary goods - In economics, a complementary good is a good whose appeal increases with the popularity of its complement. Technically, it displays a negative cross elasticity of demand and that demand for it increases when the price of another good decreases. https://t.co/wTIt0bxNzs
赠品——在经济学中,互补品是一种随着其互补品的流行而增加吸引力的商品。从技术上讲,它表现出负的需求交叉弹性,当另一种商品的价格下降时,对它的需求增加。https://t.co/wTIt0bxNzs