No matter how bad your heart has been broken
the signature of is corrupt or invalid损坏或无效的签名重点词汇释义signature签名; 署名; 识别标志,鲜明特征corrupt堕落的,道德败坏的; 贪污的,腐败的; 腐烂的; 错误百出的; 使腐败; 使堕落; 使腐烂; 腐化; 堕落; 腐烂invalid无效的; 不能成立的; 有病的; 病人用的; 使伤残; 使退役; 失去健康; 病人,病