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["countryCode","placementId","targetPrice",null,null,"底价设置建议："]
["US","rewardedVideo",1.1000000000000001,null,null,"我们建议设置底价的产品最少有100K DAU"]
["GLOBAL","ALL",2,null,null,"初期底价设置建议设置高/中/低三层底价即可"]
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