Sometimes known as icebergs these risks appear suddenly and can result in large losses.

这种风险时常被称为冰山，它们总是突然出现并会导致大额亏损。

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We choose to meet that threat now, where it arises, before it can appear suddenly in our skies and cities.

我们选择在现在这一时刻，在它的抬头之地，在它还未能突然出现在我们的天空和城市之前，迎战这一威胁。

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The warning signs usually appear suddenly. These include trouble walking, weakness especially on one side of the body, difficulty seeing and difficulty speaking.

预警症状通常会立即出现，包括行走困难，身体一侧微弱，视力和讲话出现问题。

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The symptoms appear suddenly and last a few weeks or months before slowly disappearing.

VOA: special.2009.01.06

It's about how so many plans in finance are messed up by rare events that suddenly appear out of nowhere.

书中提到金融界中突然出现的小概率事件,怎样搞砸了无数计划

耶鲁公开课 - 金融市场课程节选

The warning signs usually appear suddenly.

VOA: special.2009.08.12

The L-Fn (Lens Function) button suspends the autofocusing operation temporarily to avoid unintended focusing on obstacles that appear suddenly between the camera and the subject.

ENGADGET: Olympus unveils a cavalcade of point and shoot cameras and a PEN lens at CES

Temples appear suddenly at a turn of the road.

FORBES: Taiwan

He has long been famous for thinking that species appear suddenly (at least, by a geologist's standards), are stable for most of their existence, and then disappear by extinction or splitting into daughters.

ECONOMIST: A master of evolution takes a last long look at Darwin