in price 还是on price

in price 还是on price “on”能与“price”搭配吗?比如：in a lower price 还是 on a lower price in price 是at a low price 还是in a low price in half a price还是 at half a price? high price还是highly price price be on a good price 还是 be at a good price How is managed the price in case of indexed price on Copper 该用 price for,还是 price of increase in price 与price increase区别 Price可数还是不可数