But they don’t disappear, and Darwin was so puzzled by this that he spoke of altruism as a problem that could prove fatal to his whole theory of evolution.

但利他主义却仍然存在。这种现象令达尔文迷惑不解，以至于在他眼中，利他主义可能对整个进化论构成威胁。

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 23.02.2009

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 23.02.2009

When it comes to whether and how to regulate the economy, Western societies have a history of liberal theory upon which to rely.

当谈到是否应该以及如何管制经济时，西方社会一贯倾向的是自由主义的理论。

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 23.12.2010

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 23.12.2010

I remembered your theory of the affair and tried to picture all that had occurred.

我还记得你对这件事的看法，我在心中试着想象出全部发生过的事情的实况。

Conan Doyle, Arthur / The Hound of the Baskervilles柯南 道尔 / 巴斯克维尔猎犬

巴斯克维尔猎犬

柯南 道尔

The Hound of the Baskervilles

Conan Doyle, Arthur

© 1901, 1902 by A. Conan Doyle

That theory sounds as general and fundamental as the theory that global warming is melting glaciers and raising sea levels around the world.

这种理论听上去像是与全球变暖正在溶化全世界的冰川和导致海平面的上升的理论一样的整体和基本的理论。

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 23.12.2010

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 23.12.2010

But, as Mao always noted, theory should not be confused with practice, and the sustainability of such a model remains untested.

但是正如毛泽东反复说到的：理论不能被混为实践，这一模式的可持续性还有待验证。

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 01.11.2010

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 01.11.2010

Today, the defunct economic theory is that a rapid shift in preferences – colorfully called a “reduced appetite for risk” – is the key reason behind the current sub-prime mortgage and financial crisis.

今天，过时的经济理论是发生迅速转变的偏好——被美称为“弱化了的对风险的渴望”是当前次级抵押以及金融危机背后的主要原因。

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 23.12.2010

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 23.12.2010

When I examine these issues, I see no evidence in favor of the first theory.

当我在研究这些说法时，我并没有发现第一种理论有什么根据。

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 21.12.2010

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 21.12.2010

Unfortunately, most European educational systems are based on outdated practices and theories.

不幸的是，大多数的欧洲教育体系都建立在过时的惯例和理论之上。

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 27.10.2010

© Project Syndicate 1995 – 2011

http://www.project-syndicate.org/ 27.10.2010