In order to reduce food waste, we should plan our food consumption.

Fundamental interaction is one of the most important forces in physics.

I'm sorry, but I don't speak Japanese.

I am studying for the Japanese Language Proficiency Test next year.

He always proactively suggests new ideas.

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.

He exercises every day and leads a healthy life.

Fundamental knowledge of mathematics is necessary to solve advanced problems.