pre·pay /(ˌ)priˈpe/ (vt.)先付,預付,預繳
Pre·pay v. t. [imp. & p. p. Prepaid p. pr. & vb. n. Prepaying.] To pay in advance, or beforehand; as, to prepay postage. ◄ ►
prepay v : pay for something before receiving it [also: prepaid]