This limited edition game is being sold at a premium price.

This data is used as a reference value.

It is difficult to calculate the approximation of this problem.

What is the return value of this function?

His deviation value is higher than the national average.

In order to calculate the integral constant, it is necessary to solve the differential equation.

The government has announced a new policy to support the lives of the poor.

The ecosystem of zoobenthos is an important field of study in marine biology.

The study of benthos is an important field in marine biology.

Phytobenthos is an important part of the marine ecosystem.