Even-toed ungulates are a large group of animals that include some livestock such as cows and sheep.

In mathematics, it is important to examine the parity of numbers.

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.

He is the type of person who thinks it's a moonlit night if it's bright, so he only has a one-sided perspective.

He thought deeply and said, 'I think, therefore I am.'

I am planning to go to Harbin next week.

My friend came from Algeria.

He is studying the history of the Balkan region.

I am planning to go to Harbin next week.