求OG11的RC的详细解答

And any firm that e commitment to quality of service is merely employing a potentially costly implements an unconditional guarantee without undertaking a commensurate implements an unconditional guarantee without undertaking a commensurate commitment to quality of service is merely employing a potentially costly marketing gimmick．

求助各位大侠，这句话我看了很多遍也没有找到谓语，看不懂。

另外，请问哪里有OG11紫色版的阅读的详细解答么？我找了很多没有找到。

谢谢啦