In the final scene, one cannot help but cry.

I think this situation is unavoidable.

Since the train was stopped, I had no choice but to use a taxi.

He likes to take a walk in the park at dusk.

Linear programming is a part of operations research and is used to find the optimal solution.

Paying the urban planning tax is a citizen's duty.

The United Nations Environment Programme is providing solutions to global environmental problems.

Since he started his new job, he's been lively as if he were a fish back in water.

In response to his actions, I felt anger and showed an inevitable reaction.

Unable to bear the pain, he had no choice but to scream.