我应该保存这场比赛的用球，这对我是个非常重要的回忆。

I have kept the ball of this game, it is a very important memory for me.

youdao

我应该保存这场比赛的用球，这对我是个非常重要的回忆。

I have kept the ball of this game, it is a very important memory for me.

youdao