He was rumored to be an old-time Russian spy.

We met at a dating agency and fell in love immediately.

He has a very kind character.

The garden is overgrown and visibility is poor.

He is deeply studying the teachings of Prajnaparamita.

He started a new business, but as the proverb 'the road to happiness is strewn with setbacks' suggests, he is facing many difficulties.

Everyone, please have a good new year.

The concept of chemical equivalent is essential for understanding chemical reactions.

Let's use a radiation dosimeter to measure the radiation levels in this area.

The space complexity of this algorithm is O(n).