Impact factor for posts is a measurement of importance.
Impact factor for users reflect their authority, reputation and contribution on a particular topic.
Rating reflects the quality of posts.
Rating on Voofie is not a simple average of all ratings, but a weighted average of rating, weighted by the impact factor of users who rated.
Search function in Voofie is base on Semantic tags and keywords.
Tags are Semantic as each tag has a predefined, accurate meaning behind.
To add a keyword, select the "Keyword:" option. Select other items for adding a tag.
Just click "Search" after you have define your search query.
「骨刺」，常教人聽而生畏，但其實它並非大家想得那般可怕。「骨刺」是關節退化過程中的「副產品」，是正常的生理現象。它的出現本來是對身體有用處的，可是有時亦會帶來痛楚，可謂「好心做壞事」。
