It is how long you remain in friendship with someone until you drift way from each other for whatever reason.

它指你和某人的友谊能持续多长的时间，而后便会因某个原因彼此失去了联系。

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Stroker's eyes drift to the ceiling; he knows there was only one way out of that room.

Stroker的眼睛往天花板上看去，这是唯一可以离开房间的路。

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The war between Russia and Georgia played a role in that decline, but even before that conflict erupted in August 2008, a dangerous drift was under way.

WHITEHOUSE: The White House

Having this knowledge about yourself can help you find your way out of drift, or avoid it altogether.

FORBES: Four Rules for Leading with Purpose

It is nasal bombardment, in a good way: wafts of curry drift in the breeze, cinnamon sings on the sidewalk and many shop owners keep a stick of incense perpetually burning.

BBC: Toronto as a world map