Strain, and own New Jersey, for example (3,5)
I believe the answer is:
tax haven
'jersey for example' is the definition.
I can't judge whether this definition defines the answer.
'strain and own new' is the wordplay.
'strain' becomes 'tax' (both can mean to overwork or demand a lot from).
'and' is a charade indicator (letters next to each other).
'own' becomes 'have' (synonyms).
'new' becomes 'n' (common abbreviation eg NT for New Testament).
'tax'+'have'+'n'='TAX HAVEN'
Can you help me to learn more?
(Other definitions for tax haven that I've seen before include "place for dodgy financiers?" , "Could be Jersey" , "Place where rich people go to avoid the Revenue Commissioners" , "attraction for the rich?" , "Country with low duties" .)