Over time marketing researchers have consistently found that certain «magic words» used in phrases and combinations were so compelling that sales followed the ads just as predictably as spring follows winter. (rismedia.com)
They were also able to determine that following the winter iron surge, a recycling process is necessary to support biological activity during the spring and summer seasons. (sciencedaily.com)
Sure there's a large sample involving millions of years where for each year Y spring followed winter. (realclimate.org)