The Shadow would continue that part, unless circumstances demanded otherwise.

It was her job to keep track of staff assignments and shift people from one to another as circumstances demanded.

I hadn't intended to tell them, but circumstances demanded it.

If the circumstances demanded it, a military conflict against the human race was something in which he could excel.

Secondly, they are required to consider whether or not to intervene in the appointment if circumstances demand it.

"No more than you could if circumstances demanded it."

Where circumstances demand male badinage, he can keep his end up ("What's the most times you've done it in one night?"

But those circumstances had demanded that she become an expert in record time.

But in this instance, he felt circumstances demanded it.

Until very late on in the company's history these were used only when circumstances absolutely demanded it.