Měiguó nánbù de yángguāng dìdài xīyǐn le hěnduō tuìxiū lǎorén.
The Sun Belt in the southern United States attracts many retirees.
Tips
usage
Calque of English "sun belt". Used geographically (US Sun Belt, China's 南方阳光地带) and metaphorically for "a favoured region / sector". Also a very common residential compound name, so you'll see it on property signs.