grey area

n.

次贫地区；

复数：grey areas

Grey area
Playing in the grey area of proofs
Playing in the grey area of proofs
New evidence from the grey area: Danish results for at-risk gambling.
Moisture transport in brick masonry : the grey area between bricks
Moisture transport in brick masonry : the grey area between bricks /
Naloxone injections into the periaqueductal grey area and arcuate nucleus block analgesia in defeated mice
A Note on Audit Committee Independence: Evidence from the NYSE on Grey Area Directors
Body temperature effects of opioids administered into the periaqueductal grey area of rat brain ☆
Prostate cancer detection in the "grey area"of prostate-specific antigen below 10 ng/ml: head-to-head comparison of the updated PCP...