The song "如果爱忘了" by 汪苏泷 and 单依纯 is a touching ballad that speaks about the bittersweet feelings of love and loss. The lyrics reflect on memories of a past love, the pain of separation, and the hope for the other person's happiness. It includes lines about unspoken words, a person who is deeply cherished, and tears that fall with remembrance. The chorus expresses a wish for the other person to experience the happiness that was once shared together.

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