This problem is rooted at a deep level.

The environmental issues are becoming more serious.

Environmental issues are becoming more serious day by day.

He sent important information by telegraph.

Has he ever seen a divine horse?

Symbiogenesis is an important concept in biology, referring to the process where different species coexist to create a new species.

We need to synchronize this video and audio.

We danced by synchronizing the music.

We need to synchronize our watches.

We performed data synchronization.