So, you have this ad of a hamburger that's eighty percent fat free versus twenty percent fat--You don't have to be a brilliant ad executive to figure out which one to go for.

所以，你有这样一个汉堡广告，其中百分之八十的脱脂汉堡和百分之二十的脂肪汉堡——你不必是一位出色的广告主管来决定选择哪一个。