Sentence examples similar to serving is obligatory from inspiring English sources

Selection bias in these data is also minimized because military service is obligatory in Sweden and the full spectrum of society is called to serve.

Two years' national service was obligatory in the late 1940s.

There is obligatory scatology.

Half board is obligatory.

Indeed, it is obligatory.

The "by all accounts" is obligatory.

Expertise of international standards is obligatory.

A society where wellness is obligatory is a sick one.

In this sort of film, unfortunately, a plot is obligatory.

Gliding locomotion is obligatory for infectivity of sporozoites10, 41.

Creativity is obligatory.