sentence: Furthermore , we also save time : as cities become bigger it becomes more and more difficult to park , which in turn leads to us wasting time looking for somewhere to park , or wasting money on expensive car parks .
modified: Furthermore , we also save time : as cities become bigger it becomes more and more difficult to park , which in turn leads to us wasting time looking for somewhere to park , or wasting money in expensive carparks .
transformation: PREP, ORTH