为
promote释义：
vt. 促进；提升；推销；发扬
vi. 成为王后或其他大于卒的子
例句：
Because of his excellent performance, he was promoted to sales manager.
由于表现出色，他晋升为销售经理。
promotion释义：
n. 提升，[劳经] 晋升；推销，促销；促进；发扬，振兴
例句：
The promotion at the shopping mall attracted many customers.
这次的商场促销吸引了许多的顾客。
