Metaphors are prevalent in everyday use of language. Usually, they do not occur haphazardly; the underlying basis for one metaphor is carried on in various expressions and used by different speaker. Take, for example, the time metaphor in English. For this type of metaphor, the abstract concept of time is treated as a concrete object of value which can be saved, wasted, or invested. The metaphorical sentences in (34) suggest that there is a tendency among English speakers to think of time as a commodity.