He is struggling every day for his life.

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

There is no oblique case in Japanese.

He likes to go around the park every day.

He has a very warm heart.

He feels dizzy when he stands up suddenly due to orthostatic hypotension.

Next month, I will apply for a visa for my visit to China.

I plan to visit China next month.

He leaned against the wall because he was tired.

He leaned against the wall to rest his fatigue.