- 问题详情:Whichareyoumorelikelytohavewithyouatanygivenmoment—yourcellphoneoryourwallet?Soonyoumaybeabletothrowyourwalletawayandpayforthingswithaquickwaveofyoursmartphoneoveranelectronicscanner.InJanuary,Starbucksannouncedthatcustomerscouldstartusingth...
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