Advertising is only part of the total sales effort, but it is the part that attracts the most attention.This is natural enough because advertising is designed for just that purpose.

• 广告只是整个销售努力的一部分,但却是最能引起公众注意的部分。这也没有什么奇怪的,因为广告就是为了这个目的而被设计出来的。