But using one's indifferent heart

Is not all of the above, but using one's indifferent heart.

世界上最遥远的距离，是用冷漠的心。

The furthest distance in the world is not you have never been in my heart, but using one's indifferent heart to dig an uncross able river for the one who loves you .

世界上最遥远的距离不是明明知道无法抵挡这股思念却还得装作丝毫没有把你放在心里，而是用自己冷漠的心对爱你的人掘了一条无法逾越的鸿沟。

The furthest distance in the world is not you have never been in my heart, but using one's indifferent heart to dig an insurmountable river for the one who love's you.

世界上最遥远的距离，不是你曾在我心上，而是用冷漠不关心的心，掘了一道无法逾越的鸿沟对你爱的人。