These Keynesians provided a new intellectual basis for active macroeconomic policy in a recognisably Lucasian world, albeit one painted in greys, not pure white and glossy black.

这些凯恩斯主义者为公认的卢卡斯世界中的积极宏观经济政策提供了新的知识基础，尽管这个世界是灰色的， 而不是纯白色和有光泽的黑色。

What's more astonishing is that Hawking, who went on to occupy the prestigious Lucasian Chair at Cambridge once held by Newton, showed that black holes aren't so black after all.

更令人惊讶的是，霍金在曾经为牛顿所有的著名的剑桥卢卡斯椅，并展示了黑洞其实并不是那么黑。