In Lakoff and Johnsons book Metaphors We live by (1980), they mentioned an important conceptual metaphor TIME S MONEY. In this metaphor, Time as the target domain is understood in terms of the source domain Money. TIME IS MONEY You're running out of time You are wasting my time You need to budget your time This gadget will save your hours Put aside some time for ping pong I don' t have the time to give you Is that worth your while? How do you spend your time these days? Do you have much time left? The flat tire cost me an hour He's living on borrowed time I've invested a lot of time in her You dont use your time profitably I don t have enough time to spare for that. i lost a lot of time when I got sickIn Lakoff and Johnson’s book Metaphors We Live by (1980), they mentioned an important conceptual metaphor TIME IS MONEY. In this metaphor, Time as the target domain is understood in terms of the source domain Money