Meanwhile, the relationship involves more than just two weeks in the summer.

The first relationship involves a pregnant woman whose husband is fighting in the war.

Those defenders also say they do not believe that his relationship with Iran involved any exchange of intelligence.

Thus, the categories used may not accurately reflect the real relationships involved.

His relationship with Leonardo does not involve a lot of fighting but trust and care.

Most human relationships involve some kind of back-and-forth play for power.

In fact, the healthiest relationships involve both give and take.

The special relationship between the two countries has involved the exchange of classified scientific data and materials such as plutonium.

Though he seemed a bright and engaging guy, their limited relationship had involved only surface cordiality.

All relationships involve exchanges although the balance of this exchange is not always equal.