"I was pulling pipes off the houses to stop myself being dragged out - the wave was powerful enough to break doors and windows."
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The proportion of people in the UK who feel dissatisfied with life has failed to improve since the pandemic despite the economic outlook improving, official figures show.
优点：输出在 (−1,1)，比 sigmoid 居中，对梯度更友好，详情可参考搜狗输入法2026