Half the money I spend on advertising is wasted; the trouble is, I don't know which half.
我花在广告上的钱有一半被浪费了;问题是，我不知道是哪一半。
-- John Wanamaker 约翰·沃纳梅克
Half the money I spend on advertising is wasted; the trouble is, I don't know which half.
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Half the money I spend on advertising is wasted; the trouble is, I don't know which half.
我花在广告上的钱有一半被浪费了;问题是，我不知道是哪一半。
-- John Wanamaker 约翰·沃纳梅克
