Its chief underpinning, oil revenue, has been hit by lower oil prices. 作為該國重要支柱的石油收入因油價下滑而受到衝擊。
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歐佩克石油出口大國看起來也不太可能在眼下石油收入下滑之際限制出口。