But months of negotiations have so far produced no results.

Together, the Riverkeeper studies cost $15,000 and several months to produce.

It will then take months to produce the vaccine in large quantities.

Even the best computer translators take months to produce a working language.

Three months of correspondence with our common landlord has produced no results.

We will do all this for you, and every month produces a report.

However, the network has focused much of its production efforts on local documentaries, which often take months or years to produce.

And the past 12 months have produced a rich harvest for Graf.

Like too much time in the desert, a few months on the money trail produces a mirage.

Several more anxious months of correspondence with the bank's securities department produced nothing.