把那一天当做你从一个吸烟者变成一个全新的进步的无烟者得分界线，把那天从日历上标记下来。
Just think of that day as a dividing line between the smoking you and the new and improved nonsmoker you'll become. Mark it on your calendar.
维伦加链是东非裂谷系的一部分，标记两个板块之间的分界线：努比亚的板块在西侧和索马里的板块在东侧。
The Virunga chain is part of the east African Rift Valley system, which marks the boundary between two plates: the Nubian plate to the west and the Somalian plate to the east.
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