Prices fluctuate, in response to harvests, natural disasters and political instability; and when they rise, it takes some time before new sources of supply become available.
价格会随着收成、自然灾害和政治不稳定而波动；当价格上涨时，需要一段时间才能找到新的供应来源。
Who attireth them when they rise?
他们起床后，谁来打扮他们呢？
Men of noble birth are noted to be envious towards new men, when they rise.
出身高贵的人以妒忌后起的新贵而出名。
They stayed relativfely quiet on this front in 2007, so maybe 2008 will be when they rise up to the challenge of Google Apps.
它们在2007年看起来相对还比较平静，因此，也许2008年将会是他们兴起的时候，也应迎接来自Google应用程序的挑战了。
Mk. 12:25 For when they rise from the dead, they neither marry nor are given in marriage, but are like angels in the heavens.
可十二25人从死人中复活的时候，也不娶也不嫁，乃像诸天之上的使者一样。
The insight of “power-transition theory” is that satisfied powers, such as post-war Germany and Japan, do not challenge the world order when they rise.
从“权力过渡理论”的角度看，踌躇满志的崛起势力——比如战后的德国和日本——是不会去挑战世界秩序的。
Fees also tend to soar because, even when they rise, captive parents are loth to pull out, not least because the alternative is likely to be an undersubscribed and underperforming state school.
学费也趋向猛涨，因为只要它涨，着了高价高质量迷的家长就不想更不想撒手，更重要的原因是只要一撒手，他们的剩下的选择可能就是资金欠缺又运营不良的公立学校了。
When surface temperatures rise to a comfortable threshold, they emerge.
当地表温度上升到一个舒适的阈值时，它们就会浮现。
Actually it makes more sense with setting stars; they can be watched instead of trying to guess when they'll rise.
实际上，有了定位星就更有意义了；他们可以被观察，而不是试图猜测他们何时会升起。
When the lanterns are lit, they slowly rise into the air like small hot air balloons for all to see.
当灯笼被点亮时，它们就像小热气球一样慢慢升到空中，供所有人观赏。
When egg whites are beaten they can rise to seven or eight times their original volume.
打过的蛋清，体积可以涨到原来的七八倍。
Some people lose heart when they come across failures while others rise to the challenge.
一些人在面对失败之时灰心丧气而另一些人则迎接这一挑战。
When they reached the sea floor and wanted to rise again, they simply let of the iron pellets.
当他们到达海底然后想要再升起来的时候，他们只要放开铁球就可以。
Scientists have identified thousands of genes that can give rise to diseases in humans when they mutate.
科学家已经辨识出了上千种基因，当它们突变时就会导致人体生病。
Lenders, however, are less likely to increase spending sharply when the values of the loans they own rise.
而放贷人在其所拥有的贷款价值上升之时则鲜有可能会急剧地增加其支出。
When the wind blows over the roofs they rise and fall as painted bubbles do.
当风儿拂过屋顶，它们便起起伏伏，如五彩的泡沫。
When house prices rise, so does people's prosperity. In response to this greater affluence, they gradually increase their spending.
房价上涨使人民繁荣富裕，而作为对富足的回应，人们开始渐渐增加消费支出。
They are also seeking an inflation hedge, as commodities tend to rise when other asset classes fall.
他们也希望在其他资金产品下跌时而美元相关产品能有机会上升来阻止通货膨胀。
It was a rational decision to make, particularly when they expected prices to continue to rise over time.
这是一个理智的决定作出，特别是当他们预期价格将继续上升一段时间。
When inactive, the gates will lay flat on the seafloor; when water levels rise, they will be pumped full of air and rise above the surface to block sea water.
平时，闸门平铺在水底；在海水上涨时，闸门被注满空气，浮到水面阻隔海水。
Maybe Jobs and Cook feel they simply don’t need to. I’ll tell you one thing, when interest rates begin to rise, that $46,708,000,000 is going compound, and quickly.
也许乔布斯和Cook仅仅是感觉不需要，但当利息上升时，46,708,000,000美元权益资本中部分也能迅速产生复合收益。
Most trees are owned by around 900, 000 smallholders who often scale back on insecticides when their costs rise, as they did in 2008.
大部分的可可树归人数约为900000的小农户所有。一旦杀虫剂等物品价格上涨，他们就会相应的减少用量(以保持成本不增加)，正如2008年他们所做的那样。
When surface temperatures rise to a comfortable threshold, they emerge. For a while they bask in the sunlight, crowded like bronzed tourists on the Costa del Sol.
当地面温度升到舒适的临界点时，它们就涌出来，像在太阳海岸晒成古铜色的游客一样挤在一起，在阳光下晒一会。
Then they fall into disrepute when they fail to deliver on extravagant promises, until they eventually rise to a level of solid accomplishment and acceptance.
接着又因没能兑现过高的承诺而声名狼藉，最后再崛起，达到取得过硬成就并为大众接受的水平。
People tend to move up the food chain as their incomes rise, consuming more meat than they might have when they made less money, the experts said.
专家们说，收入增长之后，人们会吃更多食物链上层的东西，会比他们赚钱少的时候消耗更多肉类。
Workers bear the risks of the market; many cheer when their accounts rise, but watch in anguish as they plummet.
工人承担了市场的风险；众多工人在他们的帐户资产上涨时欢呼雀跃；而遇到下跌时，各自黯然神伤。
Workers bear the risks of the market; many cheer when their accounts rise, but watch in anguish as they plummet.
工人承担了市场的风险；众多工人在他们的帐户资产上涨时欢呼雀跃；而遇到下跌时，各自黯然神伤。
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