There was no official explanation for the delay, which has kept the case from moving forward.

Freedom quickly emerged as the official explanation for the war against terrorism.

After years of investigations, no official explanation or final report has been provided by the Italian government.

I found the official explanation just a little hard to believe.

He knew what had happened, though it wouldn't be mentioned in the official explanation.

They've left me a number to call for the official explanation.

People also doubt the official explanation of the fire's origins.

The official explanation: Rubin wants to return to "private life."

The official explanation: she had "a family situation that has worked itself out."

He also missed consecutive games last week without an official explanation.