when you look ahead to future changes,or think about how the past used to be .

when you look ahead to future changes,or think about how the past used to be .
when you look ahead to future changes,or think about how the past used to be .

when you look ahead to future changes,or think about how the past used to be .
这应该是半句话,未完
当你看看未来的可能,或者想想曾经的过往

当你指望明天的改变，或是对昨天懊悔的时候.

当你向前看看未来的改变，或是想着过去曾经是怎样的。

当你展望未来的变化或思考过去状况，