Youth is a time of exploration and discovery.

This area is known as the danger zone.

Their opinions were in perfect accord.

I'm studying English grammar.

Nowadays, technology plays a crucial role in our daily lives.

She loves to dance.

John is a proper noun.

The company's revenue reached a trillion dollars last year.

Please attach the document to the email.

In the distant galaxy, astronomers discovered a star that emitted a quadrillion units of energy every second.