实质性的用英语怎么说？

实质性的

例句

• The policy has not yet brought any tangible benefits. 这项政策还没有带来任何实质性的好处。
• There isn't anything of real substance in her book. 她的书中没有任何真正实质性的内容。
• They plan to meet again in Rome very soon to begin substantive negotiations. 他们计划不久在罗马再次会晤以开始实质性的谈判。
• They contend that the company failed to disclose material information. 他们坚持认为该公司并未透露实质性的信息。
• Elderly people are not in a position to make drastic changes at this stage of their life... 上了年纪的人在他们这个人生阶段不会再有什么实质性的改变。