Other unanswered questions are whether the nose is the only part of the body affected by odours, and how smells can be measured objectively given the nonphysical components.

其他悬而未决的问题是，鼻子是否是全身中唯一受气味影响的部位，而且考虑到气味的非物质性成分，怎样才能够客观地测定它。