资料来源 : Webster's Revised Unabridged Dictionary (1913)

Floating charge \Floating charge\, lien \lien\, etc. (Law)
   A charge, lien, etc., that successively attaches to such
   assets as a person may have from time to time, leaving him
   more or less free to dispose of or encumber them as if no
   such charge or lien existed.