You can buy guards for electric sockets that make it impossible for little children to stick their fingers into the holes.你可购买电源插座的保护装置，使小孩的手指插不进孔里去。Shoppers will be able to take advantage of special offers after the holidays.假日过后顾客们将可购买特价商品。The quota of four tickets per person had been reduced to two.每人可购买的票的限额已经由四张降至两张。