He has a strong immunity, so he is less likely to catch a cold.

The doctor collected my bodily fluid for testing.

We are engaged in trade between Japan and China.

Eroshenko was a blind Russian poet.

The concert will start at 7 o'clock.

The concert will start at 7 o'clock.

Sierra Leone is a country located in West Africa.

I found a blue frog in the park.

We prepare a profit and loss statement every quarter.

We need to wear masks for epidemic prevention.