就这样，她走了。
The study of heuristics reveals how we make quick, efficient decisions, but also how these shortcuts can lead to systematic errors.
There are many Beths in the world, shy and quiet, sitting in corners till needed, and living for others so cheerfully that no one sees the sacrifices till the little cricket on the hearth stops chirping, and the sweet, sunshiny presence vanishes, leaving silence and shadow behind.