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.同時，要加強政策的前瞻性和可持續性，確保寬松政策能及時有序地退出。perspectiveness更多例句