他于我是无可替代的存在她于我是不可缺少的存在
[tā yú wŏ shì wú kĕ tì dài de cún zài tā yú wŏ shì bù kĕ quē shăo de cún zài]
Translates into 'He is irreplaceable for me; she is indispensable for me'. This name reveals deep connections and values for two special figures in the holder’s life. One relationship has uniqueness and the other brings irreplaceable presence or influence.