He is known as an excellent military staff.

Coral reefs are very important for marine ecosystems.

We need to evaluate the profitability of this project.

Grandpa takes a walk in the park every day.

To convert dollars into yen, use the current exchange rate.

This product is suitable for mass production.

We will start mass producing this new product from next month.

Coral reefs are very important for marine ecosystems.

Postnatal care is very important.

Coral reefs play a very important role in the marine ecosystem.