The phrase "a promising indicator" is correct and usable in written English.
You can use it when referring to a sign or signal that suggests a positive outcome or trend in a particular context.
Example: "The increase in sales during the first quarter is a promising indicator of the company's growth potential for the year."
Alternatives: "a positive sign" or "an encouraging signal."
The new controller of BBC2, Roly Keating, hot from highbrow BBC4, is a promising indicator of corporation thinking.
The past is a promising indicator: the Mets are 11-1 at Chase Field since 2005, outscoring the D-Backs, 97-28 (gulp), with David Wright and Carlos Beltran combining for eight homers (four each) and 24 runs batted in.
Such superior cycle stability is a promising indicator of effective regulation of Li deposition/dissolution without dendrite formation, promoting its promising application future in high-energy-density rechargeable batteries.
These findings suggest that assessing visual physiology may be a promising indicator for evaluating cognitive workload when interacting with static autonomy levels.
It is shown that the new index is a promising indicator of the earthquake preparation process, it increases few (5 10) days before the seismic shocks and comes back to normal state after the earthquake.
The irreversibility distribution ϕ comparing entropy generation due to dissipation and due to conduction is found to be a promising indicator to detect regions with a high potential for improving heat transfer in technical devices.
The short intracellular lifetime of messenger RNA (mRNA), and its direct link to metabolic processes makes it an even more promising indicator of microbial activity in environmental samples [33].
The present results indicate that RASSF1A promoter methylation may be a promising early indicator for esophageal and gastric cardia carcinogenesis.
The Jalrez Valley is a test case, the first area in Afghanistan where President Obama's strategy of increasing troop levels has been applied, and it is a promising early indicator.
Decision-making under ambiguity in cognitive bias tasks is a promising new indicator of affective valence in animals.
Attitudes toward psychiatry seems a promising outcome indicator of the clerkship's quality, but further research is needed in order to assess its reliability as a sound predictor of recruitment.
