Kristi says Sam got the idea because he did not want to go to a store to get a cupcake.
VOA: special.2010.04.12
"The idea for a grocery store came directly from the residents."
VOA: standard.2010.07.28
But Paul Woods says that idea is limited by the batteries used to store energy and that there is no battery currently available that can power long-haul trucks or heavy machinery.
VOA: standard.2009.09.02
应用推荐