thereon造句

1、Life is a leaf of paper white, thereon each of us may write his word or two. A. Lowell.
生活是一张白纸，每个人都在上面写上自己的一两句话。

2、Was my thereon found without documentation how am I custom-built language?
我在那上面没有找到没有文档我怎么定制语言呢？

3、Life is a leaf of paper white, thereon each of us may write his word or two
人生一张白纸，每个人都在上面写上自己的一两句话。