in principle
The expression in principle means in general terms without knowing the details or whether something is really possible.

The
cabinet approved in
principle the construction method for the three subway
lines.
Quinton
Fortune looks set to move to the Premiership according to his agent
Francis Martin who said: ''Everything has been agreed in principle with
Bolton.”
The
technology could, in
principle, be used to alter the genetics of plants or
animals to make them tastier.
The
bird flu committee agreed in
principle yesterday to have about 2.7 million young
free-range ducks killed.
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