“二九暝”（注：闽南语的“除夕夜”）前的十几天，这张便签可能出现在家里的各个角落，随着她的日夜斟酌和食材价格变化，不时涂改调整。有一回，我甚至在厕所见到这张便签纸。
Никита Абрамов (Редактор отдела «Россия»)
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# Recover files as they were before a certain time
"For a long time, roboticists have used DC [direct current] motors to make robots move," says Mike Tolley at the University of California San Diego.