半价的用法和样例：
例句
-
儿童半价（入场）。
Children are (admitted) half-price. -
我用这张通行证坐火车半价。
This pass enables me to travel half-price on trains. -
这些酒杯半价出售，因为玉上有瑕疵。
These wine glasses were sold at half price because of blemishes in the jade. -
你知道这些衬衫都卖半价了吗？
Do you realize that all of these shirts are half off?
