求英语高手翻译这句话，请勿用机器

但乡村旅游概念界定依然模糊不清。通过比较聚类，文章从目的地、旅游客体、旅游主体和旅游动机四个维度对乡村旅游进行了定义。
But the definition of the concept of rural tourism is still unclear. By comparing the clustering, the article from the destination, the object of tourism, travel and tourism the main motive of the four dimensions of rural tourism defined.

The country tour concept boundary is surely as before misty but. Have carried out definition on country tour by the fact that clustering , the article four preserve degree comparatively from the destination , tour object , the main body touring and the motivation touring.

The definition of countryside tour is still vague. But through comparision, this article has defined the countryside tour through four aspects, which included destinaions,tourists,transportations and motivations.