He has a deep interest in etymology.

His house has a very modern design.

The sinusoid is used to represent many phenomena in nature.

He has a deep interest in etymology.

I bought the goods in yuan.

This two-dimensional array represents students in each row and subjects in each column.

You can manage data using a one-dimensional array.

He led the army as a generalissimo.

I could tell from his body language that he was angry.

His inconsistency of words and action is the problem.