While a few major attractions continued to thrive, smaller ones either struggled to remain open or closed indefinitely.

There is a window of opportunity that won't stay open indefinitely.

A later notice said that the theater would stay open indefinitely, but a "For Sale" sign is still on the building.

But I would say that our window of opportunity will not remain open indefinitely.

Last year, he said the school needed about $50 million to remain open indefinitely.

Mr. Green said the museum could remain open indefinitely under the current circumstances.

The intent is that it will remain open for signature indefinitely.

The offer won't remain open indefinitely.

To accept what is offered here is to take a window of opportunity that is not guaranteed to remain open indefinitely.

But she'd also made it clear the offer wouldn't remain open indefinitely.