Facebook suggests an advertising price, but it also lets you set a maximum budget and bid per click or impression.
Facebook会建议一个广告价格，但也可以让你设定一个最高预算和每个点击率或每个产生影响的价格。
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Particularly aggressive advertisements give the consumer the impression that the attacker is insecure and desperate for business, says Cindy Gallop, an advertising consultant.