"promising element" is a correct and usable phrase in written English.
You can use it to describe something that has the potential to be successful or fruitful. For example: "The project has a lot of potential, so we are looking forward to seeing the results; there is a promising element that will take it to the next level."
But the sort-by-price feature is this app's most promising element, and unfortunately, this feature often falls short because it depends on people using the app or going online to report the prices.
The most promising element for bringing the three-week conflict to a close occurred in Washington on Friday, where Secretary of State Condoleezza Rice and Foreign Minister Tzipi Livni of Israel signed an understanding on a range of steps the United States would take to stem the flow of new arms to Hamas from the Egyptian Sinai, mostly via tunnels.
At war's end he resumed his search for a gasoline additive, systematically working his way through promising element groups in the periodic table, and in 1921 he and his team found that minute amounts of tetraethyl lead completely eliminated engine knock.
The really promising element is that no ground infrastructure is required to use these tools.
This complex plasmonic-photonic structure is a promising element for construction of highly sensitive selective active sensor and polarization filters.
Our findings showed that the Bi is a promising element to improve the machinability of Al Mg2Si composite.
But like other promising elements in the show, this one isn't explored.
There were two promising elements in the makeup of tonight's debate.
The hope is that the most promising elements of Doha can somehow be revived in a new deal.
Wisconsin's Republican nominee even started a website, Notrain.com.Mr Obama's new $50 billion infrastructure plan has promising elements, such as a proposal for a national infrastructure bank.
Get money off this title at the Independent book shop Samantha Shannon has a fertile imagination, and there are promising elements.
