I really appreciate your kindness.

I am truly grateful for your kindness.

It's difficult to understand his frame of mind.

He regularly sees a doctor because of his angina.

I am planning to go to Nanjing next week.

He was doing a live commentary of the soccer game.

He was observing a three-dimensional image using a stereoscope.

This river indicates the boundary between the two countries.

We supply fresh vegetables to the market.

We are working towards this common goal.