This recipe is very simple and delicious.

Health is very important.

His opinion is very important.

I bought the ingredients to cook at the supermarket.

The proportion of ingredients is important in this recipe.

These two variables are directly proportional.

It is important to understand the importance of health.

We ordered new materials for experiments.

The material costs for this project are too high.

There are still many causes for concern about the future of the economy.