0 a situation in which the value of a house has become less than the amount of money its owner borrowed in order to buy it --
1 a situation in which a house, etc. has become less valuable than the amount that is owed to the bank that lent the money to buy it: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.