const currentTime = posToTime.get(currentPos);
第一百四十三条 本法所称以上、以下、以内，包括本数。
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Born in Egypt but raised in the United States, Michael attended Harvard University as an undergraduate and earned a law degree from Stanford. He began his career with a quick stint at Goldman Sachs as an associate in the communications, media, and entertainment investment banking group, before jumping into tech at Tellme Networks in 1999, a voice-recognition company that he helped run before it was acquired by Microsoft in 2007 for roughly $800 million.
第二盏灯：位置在右下方 (1, -2, -4)，负责照亮物体的背面或暗部。