Why do I feel sad when I am the only one

Why do I feel sad when I am the only one Why Do I Feel So Sad 歌词 when I am ill,I will feel sad.when I am ill,I feel sad.哪个句子对 I do not know why I am very sad 求Why Do I Feel So Sad中文歌词~ You are the only one,I know,I am sure I feel your heart just when i leave you I feel sad Why Am I The One的中文歌词? Am I The Only One 歌词 you said i am the only one AM I THE ONLY ONE 歌词翻译 I am your one and the only