Their offer for sale suggests that the trader has uncovered the secret computer code, or algorithm, used to generate them.

This situation would have been avoided if the offer for sale had been made by tender, as such offers were frequently made in the 1960s.

But there are a lot of confidence tricksters out there who offer for sale nuclear knowhow and materials such as enriched uranium with no possibility that they can deliver.

Any retailer should have an absolute right not to offer for sale, for whatever reason, any product that they choose.

Nurseries offer for sale trees with grafted stems that can produce four or more varieties of related fruits, including apples.