offer

n.提出的价格 vt.提供 vi.出现；祭献

off-key, off-licence, off-line, off-load, off-peak, off-putting, off-season, off-stage, off-street, off-white, offal, offbeat, offence, offence (US offense), offend, offender, offense, offensive, offensively, offensiveness, offer sth., offer to do sth., offering, offertory, offhand, offhanded, office, office boy (fem 阴性作 `office girl), office holder (also `office bearer), office hours, office-block, officer, official, officialdom, officialese, officially, officiate, officious, officiously, officiousness,