His sociability is an important factor for his success as a leader.

He is deeply interested in social issues.

He deeply believes in the principles of socialism.

Maintaining social order is the responsibility of all of us.

He understands his responsibilities as a working adult.

After graduating from university, you have to prepare to enter the real world.

He can't learn from his mistakes, just like the proverb 'not returning to the water jar after drinking'.

Complex analysis is a branch of mathematics that studies functions of complex numbers.

Will you marry me?

"Do you want to have a meal? Take a bath? Or choose me?" she said jokingly.