0 to sell more than is available: --
The flight had been oversold.
1 to sell more of something than is available: --
Airlines oversell on the assumption that some passengers won't turn up.
2 to make an idea, product, opportunity, etc. seem better than it is: --
3 to cause the prices of financial markets, shares, etc. to fall too far in relation to their real value: --
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.