That's all there is to it .两个完整的句子怎么直接接在一起了

That's all there is to it. All there's left to do is run.that is all there is to it.这两句 That is all there is to it!怎么翻译? 帮忙分析一下这个句子的语法结构吧that is all there is to it that is all there is to it 这句话的意思：It is said that he is a hero,but that’s all there is Excuse me ,is that train to Beijing 这个句子哪里错了?怎么改?要完整的句子 It’s kind of like the song Is That All There Is?怎么翻译比较好呢? Is that really all there is to it because that'd be flabbreg It’s known to all that.把it换成what,that后面为什么要加上is. It’s known to all that.改成what is known to all is that 中为什么要加 That's all it is的意思是?