The phrase "one's many decades" refers to the years or duration of someone's life. It can be used to describe a person's long lifespan or the amount of time they have lived.
Sentences with «one's many decades»
Each book is the result of decades of experience working with everyone from individual investors to large venture capital investment firms. (mystockmarketbasics.com)
Many of us had been training for decades for just such a call. (politics.co.uk)
These areas offer some profound opportunities, in our view — perhaps the best in decades in some cases. (us.beyondbullsandbears.com)