某物比某物贵多少钱用英语怎么说?
问题描述：
某物比某物贵多少钱用英语怎么说?
比如：这个手表比那个手表贵50元
答
This watch is more expensive than B by 50 yuan.
看清楚了 贵了用介词By
同样 便宜也一样
This watch is cheaper than that by 50 yuan