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Supermarkets are trying out new computers that make shopping carts more intelligent(具备智能的). Th...

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Most supermarkets have a very large floor area.  Most supermarkets have a floor area as large as that of an ordinary shop.  Most supermarkets are on one floor only.  Some supermarkets have a floor area at least ten times as big as that of an ordinary shop.  
to send    sending    providing    to providE.  
discount  profit   bargain  cost  
Keep on trying  If you keep on trying   Keeping on trying  To keep on trying  
reduce    remove    provide    produce  
to do    of doing    doing    to doing  
a great amount of    a great deal of    a great many of    plenty of  
other    another    the others    the other  
take    show    carry    provide  
Keep on trying    If you keep on trying    Keeping on trying    To keep on trying  
establishments  hotels  shops  supermarkets  
take    show    provide    carry  

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