The rise of magma, its accumulation in Chambers, its propulsion into fractures-these events produce chemical signals that reach the surface well ahead of the magma itself.

岩浆抬升，在火山内部累积以及被挤压到地层的破裂位置——这些事件都会在岩浆从地表露头之前引发化学信号。

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When the broad market indices fall firmly below the 200-day average, it signals an extended bearish period ahead.

如果广域市场指数结结实实地掉到200日移动平均线以下，则标志着市场将长期走跌。

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Red has meant stop since long before cars existed, with train signals' use of red dating back to the days when mechanical arms lifted and lowered to indicate whether the rail ahead was clear.

红色很早以前就被用作火车信号，那时汽车还没出现，而铁路用机械臂板上升下降来代表前方是否有火车驶来。

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ECB's strict monetarists probably disagree, arguing that the faster rate of money-supply growth signals higher inflation ahead.

ECONOMIST: Give growth a chance

There are signals of better days ahead though, as orders climbed to 106, from 83 planes a year ago.

FORBES: Boeing Reports Soft Revenue, Manages Profit Beat

Fortunately for Chu and The Morning Benders, "Promises" signals a bright future ahead, even as the ravages of age beckon.

NPR: The Morning Benders: Between Youth And Adulthood