劍橋詞典

the amount charged for a service that is lower than usual because there is not so much demand for the service at that time
（服務(wù)行業(yè)淡季的）促銷價(jià)，優(yōu)惠價(jià)，便宜價(jià)
Cheap rate for overseas phone calls is from 8 p.m. to 8 a.m. 打國(guó)際長(zhǎng)途的優(yōu)惠時(shí)段是從晚上8點(diǎn)至早上8點(diǎn)。 返回 cheap rate