When there are tiers of meaning in an ad it intrigues the audience and they look for it again and again.

When there are tiers of meaning in an ad it intrigues the audience and they look for it again and again.

当一个广告有多层含义时，它会引起观众的兴趣，他们会一次又一次地寻找它。

-- William Shatner 威廉·沙特纳