But pollution is not the only environmental concern with transportation.

VOA: special.2010.01.11

But terrorism is not the only national security concern.

VOA: special.2010.05.29

"That had been a matter of concern for not only Sri Lanka's government but all the areas around a small island after the war,".

VOA: standard.2009.11.14

European Union foreign ministers expressed concern not only about the security situation in Afghanistan, but also about the lack of sufficient progress in political reform there.

VOA: standard.2009.10.27

He said the expulsion is obviously a matter of concern to the United States and a step backward,and that North Korea has only brought upon itself further isolation.

VOA: standard.2009.04.15