Its chief underpinning, oil revenue, has been hit by lower oil prices. 作为该国重要支柱的石油收入因油价下滑而受到冲击。
The other big non-OPEC exporters, Mexico and Norway, also seem unlikely to rein in exports at a time of dropping oil revenue. 墨西哥和挪威等其他非欧佩克石油出口大国看起来也不太可能在眼下石油收入下滑之际限制出口。
