nought  
number uk/nɔːt/ us/nɑːt/
  (ZERO)      
  [ C ] mainly UK (US usually naught)(数字)0;零 
the number 0 or zero
  He said it was only worth £10, but really you could add a couple of noughts to that (= it is really worth £1,000). 他说这只值10英镑,但事实上你在后面加上两个零还差不多。 
   (NOTHING)     
 [ U ]无(同 naught) 
→  naught old use or literary