请教一个if，shoud的问题

歌词是什么请问一下各位哥哥姐姐

Big big world I am a big big girl In a big big world It is not a big big thing if you leave me But I do do feel that I do do will Miss you much miss you much I can see the first leaf's falling It's so yellow and nice It's so very cold outside Like the way I am feeling inside I am a big big girl In...全部

  Big big world I am a big big girl In a big big world It is not a big big thing if you leave me But I do do feel that I do do will Miss you much miss you much I can see the first leaf's falling It's so yellow and nice It's so very cold outside Like the way I am feeling inside I am a big big girl In a big big world It is not a big big thing if you leave me But I do do feel that I do do will Miss you much miss you much Outside it is now raining And tears are falling from my eyes Why did it have to happen Why did it all have to end I'm a big big girl In a big big world It is not a big big thing if you leave me But I do do feel that I do do will Miss you much miss you much I have your arms around me Warm like fire But when I open my eyes you've gone I'm a big big girl In a big big world It is not a big big thing if you leave me But I do do feel that I do do will Miss you much miss you much I'm a big big girl In a big big world It is not a big big thing if you leave me But I do do feel that I do do will Miss you much Miss you so much …… 我是个大女孩 在这广大的世界里 如果你离我而去 那也没什么大不了的 但是我知道 我一定会非常的想念你 非常非常的想念你…… 我看见第一片落叶飘下来 如此的金黄而美好 外面真的很冷 就象我的内心一样 我是个大女孩 在这广大的世界里 如果你离我而去 那也没什么大不了的 但是我知道 我一定会非常的想念你 非常非常的想念你…… 外面正下这雨 泪水从我眼里滑落下来 这一切为什么要发生 又为什么要结束 我是个大女孩 在这广大的世界里 如果你离我而去　那也没什么大不了的 但是我知道　我一定会非常的想念你 非常非常的想念你　…… 你的双臂拥抱着我　温暖如火 但当我睁开双眼 你却离我而去 我是个大女孩 在这广大的世界里 如果你离我而去 那也没什么大不了的 但是我知道 我一定会非常的想念你 非常非常 非常的想念你 这是一首很棒的歌啊。
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