Sentence examples similar to is this obligatory from inspiring English sources

Sam Sethi on Vecosys - who appears to have been blogging at 4am - said this is the obligatory six-monthly Bebo acquisition story.

One Best Actress nominee was Melisso Leo - Who? - in some movie I have never heard of, called Frozen River - Huh? Was this the obligatory obscurity nomination?

Upon reading the advice "Accept all invitations," he hyperventilates: "The consummation of this trend is the obligatory participation in official 'leisure-time activities' in totalitarian countries".

This, friends, is the obligatory footage of me opening the Zune box.

The first and most direct prediction of this model is that obligatory sex would be more common among organisms with highly differential mating success.

Honey cake is almost obligatory; this one looks excellent.

Generally, the burgomaster is a member of the elected council, but this is not obligatory.

It agreed to put the civilian energy programs under International Atomic Energy Agency (IAEA) safeguards (through an "India-specific safeguards" agreement) although this is usually obligatory only for non-nuclear weapons states.

The afternoon is spent either returning to the manuscript, if I'm so inspired (but because I ideally hit my word count, this isn't obligatory) or handling non-manuscript related items.

This is not obligatory, except in clinical trials.

Patients can be registered with a GP of their choice, but this is not obligatory to have access to all health care facilities.