What idioms describe the changes of the times?

Time has changed, time has changed, time has changed?

1. Things are different [w SHRén fēI]?

Things are human beings, things are human beings. It is often used to express that things have changed. So I miss my old friend.

2. Things have changed [c ā ng h m is ā ng tiá n]?

Sangtian: Farmland. ? The sea becomes a mulberry field, and the mulberry field becomes the sea. Things have changed a lot.

3. wasted time?

Wasted time: Time goes by in vain. ? Idle away time. Idle away time.

4. Times have changed

Move: change. As time went on, the situation changed.

5. Things have changed? [Poetry is ancient and rhyme is clear]

Context: situation; Move: change. Things have changed, and things have changed.