He is deeply studying about the equal temperament of the piano.

His tweet was interesting, so I retweeted it immediately.

His tweet was very interesting, so I retweeted it immediately.

He is acting based on his belief in the law of causality.

This problem is in a state of antinomy.

In this area, ramen shops stand jumbled together.

In this area, ramen shops are standing jumbled together.

She started doing yoga to balance her autonomic nervous system.

The Campo flicker is a bird native to South America, known for its beautiful feather color.

He always acts according to his own maxim.