sustainable [səˈsteɪnəbl]

例句:

• an environmentally sustainable society
  保持生态环境平衡的社会
  
• That makes it difficult to contemplate the idea that the present policy may not be sustainable.
  那让人难以认真思考这个可能，即目前的政策也许并不能持续下去。
  
• Try to buy wood that you know has come from a sustainable source.
  尽量购买来自可持续发展林的木材。
  
• Some people question whether the growth is really sustainable.
  来自BBC
• Just let things happen at a more sustainable pace.
  来自SA
• Instead, only buy fish from sustainable wild sources.
  来自SA