In this case, the developer did not in accordance with the promise of commercial housing salesadvertising and promotional materials to fulfill, it should be liable for breach of contract.
在这种情况下开发商未依照商品房销售广告和宣传资料的承诺履行的，应当向购房人承担违约责任。
2
A good advertising campaign will increase our sales.
良好的广告宣传活动会增加我们的销售量。
《牛津词典》
3
I sat several feet away from an advertisingsales representative with a similar name.