I conducted an interview in a question-and-answer format.

Let's cherish every encounter with the spirit of 'once in a lifetime'.

He ran 100 meters in 10 seconds.

We are using LED bulbs for energy saving.

We should use more renewable energy.

It has been three months since parting ways.

He came first in the exam.

He knows nothing about that one case.

What on earth is he thinking?

He has a complete set of stamp collections.