长存

长存	cháng cún	to last for a long time; to endure / to exist forever
长	cháng	long / (bound form) length / (bound form) strong point; forte / (bound form) to be good at / (literary) surplus; spare (Taiwan pr. [zhang4])
长	zhǎng	chief / head / elder / to grow / to develop / to increase / to enhance
存	cún	to exist / to deposit / to store / to keep / to survive