constructive [kənˈstrʌktɪv]

例句:

• The Prime Minister has promised that Israel will play a constructive role.
  首相承诺以色列将发挥积极的作用。
  来自柯林斯例句
• She welcomes constructive criticism.
  她欢迎建设性的批评。
  
• At least I'm doing something constructive.
  至少，我是在做有益的事情。
  
• I did so in a constructive and friendly way.
  来自VOA
• I was interested in constructive criticism of this model.
  来自SA
• People are looking for a constructive relationship with government.
  来自WSJ