We are considering introducing a new voting system.

We have developed a new methodology to solve this problem.

Learning a new input method is difficult.

Yesterday, a large rockfall occurred in the nearby mountain.

He gave courage to the children through his voice.

Yesterday, a big rockfall occurred in the nearby mountain.

After the earthquake, a crack developed in the wall.

He is passionate about researching pure mathematics.

He is majoring in applied mathematics at university.

He is a world-famous mathematician.