折抵

yōu huì jiǎng quàn zhé dǐ xiàn jīn

优惠奖券折抵现金

coupons compensate for cash

pàn jué zhí xíng zhī qián jī yā de rì qī yǐ jī yā yī rì zhé dǐ xíng qī yī rì

判决执行之前羁押的日期，以羁押一日折抵刑期一日。

Taking the date of custody prior to sentencing, one day in custody cancels out one day of prison time.