Enhanced security measures since then, combined with a rise in airline travel due to the improving economy and low oil prices, have resulted in long waits at major airports such as Chicago's O'Hare International.
自那以后实施的加强安全措施，加上由于经济改善和油价低迷导致的航空旅行增加，使得像芝加哥奥黑尔国际机场这样的主要机场出现了长时间的排队现象。
While fossil fuels – coal, oil, gas – still generate roughly 85 percent of the world’s energy supply, it’s clearer than ever that the future belongs to renewable sources such as wind and solar.
尽管化石燃料——煤炭、石油、天然气——仍然为全球约85%的能源供应提供动力，但越来越明显的是，未来属于可再生能源，如风能和太阳能。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。