The global economic crisis had a serious impact on the economies of many countries.

My dream is to travel the world.

He spends a lot of time studying.

He reads a lot of books.

His actions exerted a great influence on our plans.

Do you understand the seriousness of this problem?

This problem is very serious.

When the earthquake occurred, the whole town fell into a panic.

That news greatly influenced his opinion.

His opinion had a big influence on my decision.