- 問題詳情:Mostofushavegoneawayfrom“madmen”inthestreet,onlytorealizethattheyareinfactusingaBluetoothheadset.NowanewUniversityofPennsylvaniastudyshowsthatmutteringcanactuallyhelppeoplefindlostobjects—inotherwords,sayingthenameofanobjecthelpsyoufinditm...
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