I've been waiting for hours at that shop, but the meal still hasn't come out.

I know this is sudden, but could you arrange a time for me to meet with the president?

I know this is sudden, but could you arrange a time for me to meet the president?

The expansion of this problem should be limited.

In this classical literature, the technique of kakarimusubi is skillfully used.

He is traveling around the world as an ecologist.

We must strive to protect the natural environment.

We should recycle to prevent environmental pollution.

We need to solve the problem in the production environment.

It took a long time to set up the development environment.