On the other hand, we've just argued that you don't have a dominant strategy here; it's not the case that easy dominates hard.

我们刚才说这里没有优势策略,平坦之途并不总是优于崎岖之途

耶鲁公开课 - 博弈论课程节选

Markets aren't efficient, but it's not that easy to beat them.

市场并不是有效的，但是要想击垮它们也不容易。

耶鲁公开课 - 金融市场课程节选

So, if you're looking back, say, from the end of the nineteenth century, it's not easy to see, but you can see these-- don't ever think that history runs on railroad tracks, and all you need is the timetable to show when modernization shows up.

所以,当你回顾历史,从十九世纪的末尾开始,虽然不太容易,但还是可以看出...,别以为历史是在固定轨道上行进的,别以为你只用拿时刻表,就知道新时代什么时候来临

耶鲁公开课 - 欧洲文明课程节选

"It wasn't our fault, but during the Christmas holidays it's not easy to do a transaction, " Varney told BBC Sport.

BBC: Peter Varney confident of Charlton takeover deal

" Carsen insists this is one of Kinmonth's greatest talents: "Often you want people to be wearing real clothes, not costumes, and when people are wearing 18th- or 19th-century dress, which doesn't feel contemporary to us, it's not as easy.

WSJ: The Ecstasy of Influence | Innovator of the Year 2012 Design

"I think most people do want to recycle, but if it's not made easy, it doesn't happen, " Keller says.

NPR: CFL Bulbs Have One Hitch: Toxic Mercury