The only constant or the two side of the back, never ask for our cold ask warm, charged charge short long, the only thing we can do for them, is a little understanding, a little treasure.

唯一不变的还是那两个身边的背影，永远都对我们问寒问暖，嘱咐长嘱咐短的，我们唯一可以为他们做的，是一点理解，一点珍惜。