Taki is my best friend.

More or less, we all agree with his opinion.

He was playing the guitar at the street corner.

I am planning to go to Inner Mongolia, an autonomous region of China, next week.

I have been to Outer Mongolia.

I have been to Chicago.

The Paleogene period was a very important time in the history of the Earth.

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.

The failure of the project was due to a situation where too many cooks spoil the broth.