When playing against stronger players, many beginners attempt to constantly exchange pieces "to simplify matters".

They're constantly exchanging elaborate vocal signals through the...the deep sound channel, like my people do back home, or like the humpback whales on Earth.

Neurons are constantly exchanging ions with the extracellular milieu, for example to maintain resting potential and to propagate action potentials.

A non-isolated system is constantly exchanging energy-momentum with its surroundings.

When ice melts and no salt is around, ice and its meltwater are constantly exchanging.

We have things to discuss, although we are constantly exchanging views, maintaining contact by telephone and letter and through our representatives.

If a couple people were working together, they'd have to constantly exchange passwords.

And it was completely permeable, as if it were constantly exchanging chemicals back and forth with the combination blood/lymphatic system.

The human field and the environmental field are constantly exchanging their energy back and forth.

This means that almost all living organisms are constantly exchanging carbon-14 atoms with their environment.