可数名词：

1.提升，晋级

2.促进，增进；发扬；提倡

3.（企业等的）发起，创建

4.（商品等的）宣传，促销（活动）

词形变化

形容词promotional

副词promotionally

英语解释

the advancement of some enterprise

a message issued in behalf of some product or cause or idea or person or institution

act of raising in rank or position

encouragement of the progress or growth or acceptance of something