The quality of this product is gradually decreasing over time.

The profits of that company are gradually decreasing year by year.

The sales of this company are gradually increasing every year.

The company's profits are gradually increasing year by year.

Please relay this message.

I sent a letter to him.

I ask the courier to send packages every week.

He relayed that information to us.

I take the regular bus to school every day.

He plays a role in relaying information.