There's no doubt that & It's no doubt that

两个句子的强调的东西不同,There's no doubt that 强调的是后面这件事情是毫无疑问的效果就如：你错了,毫无疑问 （你错了,我不想跟你争）It's no doubt that 强调的是no doubt （毫无疑问）效果就如：毫无疑问,你错了 （我都没想过要和你争这件事,我绝对正确）个人一点浅见!