The budget for this project has already exceeded the set limit.

I can't solve this problem because there are too many numbers.

Understanding numbers is important for solving math problems.

He was bedridden with illness for several days.

His imagination is infinite.

This beautiful scenery is beyond imagination.

I can't imagine how deep his suffering is.

An imaginary unit is an important concept in mathematics.

An astronomical unit represents the average distance from the Earth to the Sun.

This product has a very small assembly unit.