Another variable – it depends what kind of roller coaster.

另一个因素是过山车的类型。

So collusion and cartels are often unstable.

因此，勾结和卡特尔同盟常常是的。

For most of a star's life, these two forces are at an uneasy truce.

在恒星生命的大部分时间里，这两种力量都处于的休战状态。

The plane flew erratically until it did crash on a small island in Puget Sound.

这架飞机一直处于的飞行状态，最后坠毁在普吉湾的一个小岛。

The current international situation is complex and fluctuating, and the international economy is sluggish.

“现有的国际环境是复杂且的，而国际经济疲软。”

Fine. If you wanna call your emotionally unstable ex.

好吧 要是你想找你那情绪的前任。

As global rules decay, a fluid patchwork of regional deals and spheres of influence is asserting control over trade and investment.

随着全球规则的衰落，各种区性协议和势力范围的拼凑，正在加强对贸易和投资的控制。

But persistent concerns about government spending cuts, tax hikes, and new signs of instability in Europe continue to weigh on the central bank.

但对于政府削减开支, 增加税收, 欧洲新的迹象的持续担忧继续打压中央银行。

Today's shaky economy is likely to produce many more such tricks.

如今的经济可能会催生更多这种小窍门。

Yet another source of instability warns analyst Amer Alsabaileh.

然而，另一个的来源警告了分析者阿米尔·阿尔萨拜勒。

By the time I turned 19, I had already moved 20 times in my life, and that instability during my childhood didn't really provide an opportunity to make many friends.

到我19岁的时候，已经搬过超过20次家了，童年经历的，并未给我交朋友的机会。

When an earthquake strikes, the erratic movement of the ocean floor can generate a tsunami.

当震发生时，海床上的的震动就会产生海啸。

The Middle East, of course, isn't the only unstable part of the world and military action isn't the only expression of instability.

当然，中东，是世界上唯一的区，军事行动也是唯一的表达。

He believed they could be there indefinitely based on the instability of the country.

他认为，鉴于阿富汗的局势，他们可能会无限期留在那里。

Still, there are signs of instability in the stock market and they're watched so closely because that market is one indication of how the U.S. economy is doing and its rises and falls affect markets around the world.

尽管如此, 股市出现了的迹象，这些受到密切关注，因为市场反映了美国经济的状况，而且美国经济的起落影响了世界各的市场。

The tests do however highlight the destabilizing impact of North Korea's illegal missile program.

然而，这些试验确实凸显了朝鲜非法导弹计划带来的影响。

The work of these 3 laureates tamed that reactive element to make it useful for the powerful batteries that are everywhere today.

这三位获奖者成功制服了这个的元素，使其成为了强力电池的动力来源，从而使电池在今天变得十分普遍。

Afghanistan's first democratically elected leader took office in 2004 but instability remained and the conflict in Afghanistan became the longest running war America has been involved in.

阿富汗的第一位民选领导人于2004年就职，但局势仍然，阿富汗的冲突成为美国参与的持续时间最长的战争。

It is a response to solving the problem of food instability.

这是对决粮食问题的回应。

But the epidemic of obesity epitomizes the unsettled character of progress in affluent Western society.

然而，肥胖的蔓延成为富足的西方社会发展这一特点的典型例证。