Unfortunately, many data series are too short to evaluate the simulated climate variability with periods of several decades. (sciencedaily.com)
And over a period of several decades (we're talking about retirement after all), a single percent difference in your average investment return because of bank fees can add up to hundreds of thousands of dollars. (sovereignman.com)
We could argue that their books were written by several different authors over a period of several decades, all of whom had competing interests and goals, most of which involve self - advancing propaganda and fictional tales of the supposed author's life and ideas. (redeeminggod.com)