诸如交通拥挤和烟雾的城市疑难问题；关于罪恶的哲学难题参见

诸如交通拥挤和烟雾的城市疑难问题；关于罪恶的哲学难题参见的英文翻译

基本释义

• urban problems such as traffic congestion and smog; the philosophical problem of evil.See Usage Note at dilemma