Only a few KFC executives know the second secret recipe and they have all signed confidentiality agreements to keep the recipe as secret as the Colonel's Original Recipe.
只有少数的研发人员了解这道配方，而他们也已悉数签署了专门的保密协议以确保该配方成为山德士上校的又一独家料理。
When the 'secret' of the Colonel's blend of herbs and spices was revealed, we had to test the recipe - and then see if it could be bettered …
当上校的混合药草香料的“秘方”被揭开，我们测试这个配方然后看看能不能更好一些…
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