constructive

1. ADJ A constructive discussion, comment, or approach is useful and helpful rather than negative and unhelpful. 建設(shè)性的

She welcomes constructive criticism. 她歡迎建設(shè)性的批評意見。

After their meeting, both men described the talks as frank, friendly and constructive. 會見之後，兩位男士都形容這次會談坦誠、友好且富有建設(shè)性。