“赞助者”的英语？

比赛的组织者在想方设法吸引赞助者。The race organizers are trying to attract sponsors.他们成为正式赞助者,从而能在赛场周围的墙上挂上他们公司的广告牌.They become official sponsors and put their logos on stadium walls.要我们的赞助者作出让步并非易事.None of our constituencies found it e...