float around 
phrasal verb with float verb uk/fləʊt/ us/floʊt/
  informal (UK also float about) 
  (OBJECT)      
  就在附近
You say that an object is floating around when you think it is not far away but you cannot see exactly where.
  I can't find my purse, but it must be floating around here somewhere. 我找不到我的钱包了,但是它肯定就在这儿什么地方。 
   (IDEA)      
 (想法或故事)流传,传播
If an idea or story floats around, it is discussed or repeated by a lot of people.
  rumours floating around 四处流传的谣言