"And that has been confirmed by people on the ground." Foreign Office Minister Lord Malloch Brown quickly retracted his statement, saying he agreed with the prime minister that the number of helicopters was sufficient for the current operation.

VOA: standard.2009.07.22

"If one country makes an immense step forward, even like the U.S.has done over the years with a very strong regulatory agency like FDA, with very good law enforcement in place,with good coordination around the world, it's not sufficient for the rest of the world.

VOA: standard.2010.06.07

And he said they wanted a change. He said: "Party unity is not a sufficient excuse for silence."

VOA: special.2009.08.30

Mr.Obama told the troops and their families any plan he chooses will include sufficient support for them.

VOA: standard.2009.11.13

Earlier this year,after the disputed Iranian presidential election, the president faced sharp criticism from minority Republicans that he had not voiced sufficient moral support for demonstrators in the streets protesting the outcome.

VOA: standard.2009.10.28