听着那首老歌，他心中涌起了对童年时光的深深怀念。

Listening to that old song, he felt a deep ___saudade for his childhood days.

看着这些老照片，她心中涌起对逝去青春的深深怀念。

Looking at these old photos filled her with ___saudade for her lost youth.

每当听到这首老歌，她心中就会涌起一种对青春岁月的怀念与忧伤。

Listening to this old song fills her with ___saudade for her youthful days.