我的爱曾留过你的心那是因为你的爱我懂
[wŏ de ài céng liú guò nĭ de xīn nèi shì yīn wéi nĭ de ài wŏ dŏng]
Conveying understanding and recognition of love, this suggests that one recognizes their loved one's affection for them through the way the person loves or responds to others.