optimists

例句:

• Even optimists admit the outlook to be poor.
  甚至乐观的人都认为前景不好.
  
• Even if the optimists' theory is true, it still seems a thin argument against reform.
  就算乐观主义者的理论是对的，还是不足以阻止改革的进行。
  
• Optimists reckon house prices will move up with inflation this year.
  乐观人士认为今年的房价将会随通货膨胀而上涨。
  
• Optimists would announce that peace was at hand.
  来自P. Cutting
• Optimists wind the clock even further back.
  来自BBC
• There are people who are naive optimists.
  来自WSJ