英语翻译再做一次有什么意义”（point of）； “我想出了做这事的一个新方法”（work out）；“我在信中附上笔

1,I do not know what is the point of the meaning to do it once again
2.I work out a new method to do this thing
3.I attatch a note in the letter to help you to consult(refer to).