参见 Davis v. Consolidated Rail Corp., 788 F.2d 1260 (7th Cir. 1986)\ue017由著名法官理查德〃波斯纳[Richard Posner]裁定\ue018\ue01aI&M Rail Link, LLC v. Northstar Navigation, Inc., 198 F.3d 1012\ue0177th Cir. 2000\ue018\ue01a以及 Richard Cross v. Berg Lumber Company, 7 P.3d 922 (Supreme Court of Wyoming 2000\ue018。 [21]