cnblue有一首歌里有I don't know how to live without you这首歌是?

cnblue有一首歌里有I don't know how to live without you这首歌是?
cnblue有一首歌里有I don't know how to live without you
这首歌是?

cnblue有一首歌里有I don't know how to live without you这首歌是?
CNBlue日单《RE-MAINTENANCE》中的Don′t say good bye.
部分歌词如下：
I don't know how to live without you.
I don't know how to breath in life.
Tell myself I'd stop veryday knowing that I won't……