Sometimes you need to look back, otherwise you will never know what you have lost in the way of forever searching.偶尔要回头看看，否则永远都在追寻，而不知道自己失去了什么。
Sometimes you need to look back, otherwise you will never know what you have lost in the way of forever searching.偶尔要回头看看，否则永远都在追寻，而不知道自己失去了什么。