基本解释前瞻性同根派生 perspectiveness相关词英汉例句Meanwhile, developed countries should also reinforce the perspectiveness and sustainability of policies to ensure loose policies can be stopped in time and in an orderly way.同时，要加强政策的前瞻性和可持续性，确保宽松政策能及时有序地退出。perspectiveness更多例句