wasteful [ˈwestfəl]

例句:

• The attempt to save money is wasteful and nonsensical.
  来自SA
• Try to avoid wasteful duplication of effort.
  尽量避免无用的重复劳动。
  
• This practice is frowned upon as being wasteful.
  这种行为被认为是浪费而不获认可。
  
• The whole process is wasteful and inefficient.
  整个程序既浪费又效率低。
  
• This is an unsustainable, wasteful model of care.
  来自BBC
• Will things get through that are "wasteful"?
  来自SA