The substantial non-infringing use standard which identifies the contributory infringement in the traditional theory of copyright's second liability has not been suitable for the digital technology background, and therefore is very likely to be changed or replaced. 传统版权间接责任理论中认定帮助侵权的实质性非侵权用途标准已经不适应当前的数字技术背景,面临着被改造和取代的可能。
When excluded the defenses of Substantial Non-infringing Use, the Safe Harbor Provisions and Implied License, Cache is legitimately in the Fair Use, which is consistent with the core value of the copyright law. 当排除适用实质性非侵权使用(SNIU)规则、避风港条款和默示许可各种抗辩理由后,快照合法性的出路在于合理使用制度,这与版权法的核心价值相一致。