请翻译一下这些话！！急……谢谢

hello everyone ! today i got a song for you -- big big world . i hope that you would enjoy it .
the reason why i choose this song is that it shows us an optimistical way of thinking about the world and implys that we should always keep a good mood .
and i wish all of you will be happy everyday ..

hello,today my song is <<big big world>>.I hope you can like it ,and the song also tell us that we shoule have a happy mind to face everything. happy everyday.thanks.