Fishing on the coast is difficult today because it's a neap range.

In math class, the teacher explained the concept of relative complement.

The concept of 'différance' in Derrida's philosophy indicates that the meaning of words is constantly changing.

When wealth inequality widens, the stability of the entire society is shaken.

In set theory, the symmetric difference indicates the difference between two sets.

We are in a marriage with an age gap, but our love is deep.