ソース:[1] McDonald’s to give away free food and $1 million with its Monopoly game — and analysts say it could lift sales (https://www.marketwatch.com/story/mcdonalds-i ...)[2] McDonald's is bringing back its popular Monopoly game - and analysts say it could lift sales (https://vertexaisearch.cloud.google.com/groun ...)[3] McDonald's Monopoly Campaign and Its Strategic Impact on Loyalty Program Engagement (https://vertexaisearch.cloud.google.com/groun ...)