1·Optimists point out that technological upheaval has benefited workers in the past.
乐观主义者指出，在过去技术变革曾使工人们受益。
2·Even the children who had above-average self-control as pre-schoolers, could have benefited from more self-control training.
甚至那些自制力高于平均水平的学龄前儿童，也能通过多参加自制力训练受益。
3·But only the rich benefited.
不过只是有钱人受益。
4·Note that because we'd built systems in the past that were similar to this project, our architecture would have benefited if we'd had some reference architectures to draw on.
注意，因为我们在过去的项目中创建的系统与目前这个系统类似，因此如果我们引用一些参考架构，我们的架构将会从中受益。
5·But only the rich benefited. Most Romans, and many city-dwellers throughout history, lived in squalor, and many died of it.
但这只使富人受益，大部分罗马人和历史长河中多数城市居民在肮脏贫困中生活直至病死于此。