For example, a driver seen running a red light should be treated the same way whether or not he hit the child who, unseen from the wheel, stepped into the road at the same moment.

比如，一个人若是闯红灯，不管是否因为没看见而撞上同时走上公路的小孩，他所受的对待应是一样的。

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If you crave the feeling of being untethered, light as a feather, tossing your things is a great way to go. But it's not easy.

但你要是渴望不受拘束的感觉，那么好好整理一下你的物品，让它们物得其所，是享受轻松生活的最好方法。

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Ready or not, the way we light our homes and offices is about to change, and the technology that will lead the way is somewhere in this hall.

不管准备好了没，我们照亮房子和办公室的方式都将发生改变，而引领这场改变的技术就在这个会场的某个地方。

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Strictly speaking, vortex masks are not the only way to cancel the light from a star.

ECONOMIST: Planet-hunting: ESP for ESPs | The

Only the 318 in question, however, are close enough to the Milky Way for the predicted galactic speed limit not to have been imposed (300m light years may sound a long way, but it is a short hop on the cosmic scale).

ECONOMIST: Cosmic rays: They came from outer space | The

This is done using a technique called interferometry, which merges the beams of light in a way that simulates the sharpness (though not the brightness) of the images that would be obtained from a telescope whose mirror was 200 metres across.

ECONOMIST: Beneath the Southern Cross I stand | The