Because we don't have to spend centuries of time developing it for ourselves?
Or maybe its organic cargo can't afford to spend centuries drifting through space.
You may have spent centuries trying to bury it, but it's there.
They'd spent centuries setting up their networks, often recruiting from or even before birth.
And we've spent centuries working to bring it all back in line.
People are easily confused, and here I speak as one who has spent centuries in court rooms.
Scientists have been spending centuries trying to explain this occurrence.
The states of the old Europe spent centuries in repeated attempts to establish this balance.
They need to go back to the origins of a river that has spent centuries being governed.
The diarmadh'im had spent centuries in fear for their lives.