Stock market performance can be extremely unpredictable over periods of a few years, but over several decades, stocks tend to outperform other asset classes. (fool.com)
If the child's life is insured the company might keep a waiting period of a few years at the start of the policy where no coverage will be provided. (policybazaar.com)
Volcanoes can — and do — influence the global climate over time periods of a few years but this is achieved through the injection of sulfate aerosols into the high reaches of the atmosphere during the very large volcanic eruptions that occur sporadically each century. (skepticalscience.com)