来源:[1] DraftKings收购CFTC监管的Railbird交易所,进军预测市场 (https://www.techflowpost.com/newsletter/detai ...)[2] DraftKings通过Railbird交易所收购谈判,战略性进军预测市场 - InsideBitcoins.com (https://vertexaisearch.cloud.google.com/groun ...)[3] DraftKings收购Railbird以扩展到预测市场 | PYMNTS.com (https://vertexaisearch.cloud.google.com/groun ...)