Snow would avail them nothing in daytime but during the hours of darkness it was a virtual guarantee of safety.

This is because exploitation will work reliably enough to automate an attack with a virtual guarantee of success when it is run.

For international money managers, being out of Japan when prices are rising and the yen is strong is a virtual guarantee of poor performance.

They were seen as a virtual guarantee of an end to the American-sponsored insurgency.

Their name lives as a virtual guarantee of good quality.

So long as the operation was not politically sensitive, it was a virtual guarantee that Congress would not interfere.

Excellent climbing can be combined with a family holiday in beautiful surroundings, with a virtual guarantee of sunshine.

A unanimous unofficial national champion is a virtual guarantee after two seasons that have ended with pairs of teams claiming to be No. 1.

Neither player ventured to the net without the virtual guarantee of a netted lob.

That would be a virtual guarantee of election, given his popularity and the centralized control of politics here.