one day is two tomorrows中的is表示什么?

one day is two tomorrows中的is表示什么? One today is worthy of two tomorrows.这句话有语法错误吗? One today is worth two tomorrows.明天要拿这句话来三分钟的演讲我不会啊 a day or two is enough 和one or two reasons are supported中的be one day is one day Two h___ is one one and one is two One today is worth two tomorrow.Rome is not built in a day.的 英语翻译One day two young mn are walking in a big forest.One is One is but two are. two is better than one “Two Is Better Than One