61.   Noto also said industry refining margins were much lower in most of the world.

62.   Prices had fallen towards the end of the month as refining margins had fallen.

a. + margin >>共 370
wide 10.11%
narrow 6.35%
gross 4.98%
large 4.11%
operating 2.90%
slim 2.87%
final 2.74%
comfortable 2.58%
higher 2.49%
overwhelming 2.26%
refining 1.98%
refining + n. >>共 82
capacity 14.83%
margin 13.93%
operation 7.42%
business 6.74%
industry 6.52%
profit 6.07%
process 4.27%
company 4.04%
facility 2.02%
unit 1.80%
每页显示:    共 62