Some were loves of youthful days.

有一种欢喜是青春的爱情。

You can cutback this degeneration process by taking care of your bones in youthful days.

您可以减少这种变性过程照顾你的骨头在年轻的日子。

Therefore, I must value the nice youthful days, enjoy my life and try my best to do everything well.

因此，我一定要珍惜青春好时光，享受生活，并且尽最大努力把每件事情做好。

Anyway, as I sat there considering this speech further, I suddenly had a flashback of the one speaker who I actually did remember from youthful days.

不过当我进一步考虑这次演讲时，我突然回忆起我从年轻时就一直记得的一位演讲家。