the study suggest that there is a special part of our brain

the study suggest that there is a special part of our brain called the orbitofrontal cortex,which plays an important part in making choices about what we eat.翻译这句话 说出play具体意思（要play本身有的 不要转译） We believe that bit identifies the value of foods——how pleasant,how delicious something is.翻译此句 说出——后边那些东西都怎么用 具体啥意思啊