大降价销售用英文怎么说

"大降价销售"用英语叫做"Big Sale"或"Massive Sale", 来源于英文"sale"表示销售，"big"表示大，"massive"表示巨大。

例句：

The department store is having a big sale this weekend. (百货商店这个周末有大降价销售。)
Don't miss out on the massive sale we're having on clothing. (不要错过我们服装上的巨大降价销售。)