This paper has a front and back.

His proposal is nothing more than an empty theory.

The author's photo is featured on the back cover of this book.

This is my first fortune cookie.

When a leap second is added, the world's clock shifts by one second.

Whoa, this is a difficult problem.

He devised a clever plan to outwit his enemies.

She got a new wolf cut hairstyle.

The new car is painted jet black, with a beautiful lustrous shine.

He had been holding a grudge against me for a long time.