This was the beginning of a great adventure that would last for decades.
If set in gravel the wall could last for decades, even centuries.
Lifetime: Do you want the carpet to last for decades?
It added that this military lead could last for decades.
They won their suit, but the residual effect would last for decades.
In addition to being highly reliable they are built to last for decades.
The case lasted for decades and finally was settled in 2005.
Film stock will last for decades, but even so, many early movies have been lost forever.
Not in a war that looked like it might well last for decades.
The part that developed cracks was supposed to last for decades.