垫上

垫上	diàn shàng	to pay for sb
垫	diàn	pad / cushion / mat / to pad out / to fill a gap / to pay for sb / to advance (money)
上	shǎng	used in 上声
上	shàng	(bound form) up; upper; above; previous / first (of multiple parts) / to climb; to get onto; to go up / to attend (class or university) / (directional complement) up / (noun suffix) on; above