英汉词典

1. 晋升；升职；提升；擢升
    If you are given promotion or a promotion in your job, you are given a more important job or rank in the organization that you work for.

    e.g. Consider changing jobs or trying for promotion.
           考虑换个工作或者争取升职。
    e.g. ...rewarding outstanding employees with promotions to higher-paid posts.
           将出色的员工提升到薪水更高的职位作为奖励

2. （尤指通过广告进行的）促销，推广，推销
    A promotion is an attempt to make a product or event popular or successful, especially by advertising.

promotion的解释

    e.g. During 1984, Remington spent a lot of money on advertising and promotion...
           1984年，雷明顿公司在广告和促销方面花费了大量的资金。
    e.g. Ask about special promotions and weekend deals too.
           也问一问特别促销和周末特价的情况。