例句與造句

1. Lower demand and commodity prices further cloud the outlook for primary producers, although lower oil prices would be an offset to net fuel importers, which include many of the poorest countries.
2. While the U . S . is the largest importer of fuel, the Wall Street Journal reported in 2011 that the country was about to become a net fuel exporter for the first time in 62 years.
3. It's difficult to find net fuel in a sentence. 用net fuel造句挺難的