Striving to ensure that the ingredients make up 60 % of the cost, Zhang doesn ’ t hire high-priced, experienced chefs, because they won ’ t learn anything here and it ’ s hard to retain them.
為了掌握住食材占 6 成成本的原則，張世仁不用高薪、有經驗的廚師，因為他們在這裡學不到東西，很難留住。