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【多选题】
以下关于按照行动计费的网络广告解释正确的有()A.
PC广告 即Cost-per-click的缩写，即每次点击的费用
B.
PPC广告即Pay-per-Click，点击广告或者电子邮件用户数量来付费的一种网络广告定价模式
C.
CPA广告即Cost-per-Action，每一次行动的费用
D.
CPL广告即Cost for Per Lead，按注册成功支付佣金
拍照语音搜题，微信中搜索"皮皮学"使用
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