And yet this system poses particular problems for welcoming newcomers that other systems do not.

Such a system poses the same choice problems as museums do.

But the new system may pose a more difficult problem for Nielsen's clients.

The world's existing political systems pose barriers to the creation of environmental protocols.

At the same time, the current system poses a threat to civil liberties.

Several systems are being tested, and that also poses a problem.

The completely different legal histories and judicial systems posed enormous complications, especially for national trade.

Military systems that control munitions can pose an even greater risk.

In addition, this system poses a problem of solidarity between Member States.

An automated system will also pose a potential danger to people with disabilities.