In terms of efficiency and cleanness, buses, trains and other forms of public or mass transportation are superior to the private automobile.
在效率和清洁方面，公共汽车、火车和其他形式的公共或大众交通工具优于私家车。
2
Unfortunately, tossing out private and multiple inheritance has cost us dearly in terms of code reuse.
遗憾的是，彻底放弃私有继承和多重继承会使我们在代码重用方面付出昂贵的代价。
3
And in recent years both public and private spending on science have risen steadily in real terms, increasing by 15% in the five years to 2008, the most recent year for which data are available.