We are going on a trip together.

He sang a beautiful song.

His live singing performance was truly moving.

He loves singing popular songs at karaoke while drinking.

He has a deep interest in archaeology.

She loves songs and is always singing.

He is a true romanticist, always pursuing love and passion.

I go jogging every day.

He is majoring in applied mathematics at university.

Combinatorial mathematics is a branch of mathematics that studies the combinations of things.