constructive

英 [kən'strʌktɪv] 美[kən'strʌktɪv]

• adj. 建设性的；推定的；构造上的；有助益的

1. constructing or tending to construct or improve or promote development;

"constructive criticism"

"a constructive attitude"

"a constructive philosophy"

"constructive permission"

2. emphasizing what is laudable or hopeful or to the good;

"constructive criticism"