1.Of course,the idea only to be proven useful to everyone is good,though some ideas may be forgotten,but they are meaningful to the idea which has changed the world.
2.We can not ignore the efforts and value only idea,but,there is no doubt that all the hard work is the idea of navigation.
3.I also can give similar many examples,not only the electronic products,actually when you decide to smile,you have begun to bred a positive thought,and take it into action,you change the original you,of course,change your world.
都是一个字母一个字母敲出来的,我的英语水平是专业八级,这些翻译应该没有错误.第二句最后半句是不是应该是 there is no doubt that the idea is the navigation of all the hard word 求教求教是的是的，我打反了，还是出了点错，不好意思。