My new rubber cup is very convenient.

I like eating cup noodles.

Where is my coffee cup?

This store sells various daily or domestic articles.

I buy daily necessities at the supermarket every week.

She is troubled by the symptoms of amenorrhoea.

I am drinking tea as a substitute for coffee.

This is my first question.

He is majoring in economics.

He is a renowned economist who has written many important papers.