demand elasticity的用法和樣例：
例句
- Though they seem to be very small, stretch socks have great elasticity.
彈力襪看著(zhù)很小，其實(shí)伸縮性很大。 - What is Elasticity of Demand to Price Changes?
什麼是對價(jià)格改變的需求彈性？ - The firm has no exact way to judge accurately the demand elasticity for its many products.
廠(chǎng)商沒(méi)有精確的決定它的各種產(chǎn)品的需求彈性。
