[经] 广告费;
But you know, advertising expense must be expensive.
戴:但你知道, 广告费很贵.
Offer samples and advertising information that can be supplied at one's own expense.
自费提供样品和一切可以供应的广告资料.
纳米英语 · 双语娱乐资讯
纳米英语 · 英语词汇