因为有你世界才完整如没有你世界将空洞
[yīn wéi yŏu nĭ shì jiè cái wán zhĕng rú méi yŏu nĭ shì jiè jiāng kōng dòng]
The world is only complete because of you, and without you, it would be empty. It expresses the feeling of incompleteness and emptiness in life when someone special is absent.