有益useful;beneficial;profitable
世界上所有国家的～的东西，我们都要学。We should learn what is useful from every country in the world./做一个～于人民的人be a person who is of value to the people/我们的会谈（讨论）是～的。Our talks (or discussions) have been useful./作出～的贡献make useful contributions to/～地交换了意见have had a useful exchange of views/～于健康good for one’s health;beneficial to the health |