Every second in Algeria you might have spent in Romania (3)
I believe the answer is:
lei
'you might have spent in romania' is the definition.
(lei is the plural of leu, the Romanian currency)
'every second in algeria' is the wordplay.
'every second in' means one should take alternating letters (every second letter is used).
The alternate letters of 'algeria' are 'LEI'.
(Other definitions for lei that I've seen before include "Polynesian garland of flowers" , "neck decoration" , "Hawaiian flower garland" , "Hawaiian necklace of flowers" , "What Romanians spend" .)