Now a third and far more significant motivation presents itself: meeting these goals may be necessary to prevent the collapse of our civilization.
现在，第三个也是更重要的动机出现了：为了防止我们文明的崩溃，这些目标可能是必须要实现的。
After the failure of Lehman Brothers, many of the world's largest banks feared the worst as the collapse of the housing bubble exposed investments in risky loans.
在雷曼兄弟破产后，许多全球最大的银行都曾担心出现最糟糕的情况，因为房地产泡沫的破裂暴露了它们在高风险贷款方面的投资。
Correspondents in the city say the raids, one of them in daylight, caused the collapse of sections of the walls around the Bab al-Azizia military complex.
在该市的记者说，其中一次袭击发生在白天，导致阿齐齐亚军事基地周围的部分墙壁倒塌。
The disease pushed him to work harder but also led to the collapse of his two marriages.
这场疾病促使他更加努力工作，但也导致他两次婚姻失败。
Another issue emerged from the collapse of Lehman Brothers.
当雷曼兄弟破产之后另一个问题产生了。
Exports have been tumbling along with the collapse in world trade.
国际贸易崩溃连累了出口。
But they did not predict the collapse of the US mortgage market.
但是他们没有预料到美国次贷级市场的崩溃。
It's also good news if prices fall due to the collapse of a speculative bubble.
即使价格下降是由于投机泡沫的破灭造成的，也仍然是个好消息。
Predictions of the collapse of the tropical rain forests have been around for years.
有关热带雨林毁灭的预测已经有好多年了。
A year later, following the collapse of Lehman Brothers, the markets made a U-turn.
一年之后，紧接着雷曼兄弟破产，市场急速转变。
But would a structural engineer reason away the collapse of a building in a similar way?
但是建筑工程师会用类似的方式来解释一个建筑物倒塌的原因吗？
STEVE HILTON remembers months of despair after the collapse of Lehman Brothers in 2008.
SteveHilton仍旧记得2008年雷曼兄弟破产之后长达几个月的绝望感。
Yet that era, which began with the collapse of the Soviet Union, ended suddenly last year.
然而，那个始于苏联崩溃后的时代，去年突然结束了。
In fact, the collapse of cooking in a society tracks very closely its rise in obesity.
实际上，一个社会烹饪的缩水与肥胖症的上升密切相关。
Land access has been cut off by the collapse of a bridge and the blocking of a back road.
道路交通已经中断，因为有一座桥梁垮塌，另有一条小路也被堵住。
Following the collapse of the Soviet Union in 1991, Russia took over the operation of Mir.
1991年苏联解体，俄罗斯接管了和平号空间站的工作。
"We witnessed the collapse of the financial system," Soros said at a Columbia University dinner.
“我们亲眼见到金融体系的崩溃，”索罗斯在哥伦比亚大学的晚宴上说。
Astronomers will tell you that they are born in the collapse of primordial clouds of gas and dust.
天文学家们会告诉你，它们诞生于原始的由气体和尘埃组成的云团的崩溃。
One bubble, it seems, could help plug the balance sheet hole created by the collapse of another.
这个泡沫似乎有助于填补因另一个泡沫破裂所造成的资产负债表上的窟窿。
"We fear the collapse of the galleries above all else," says Latif, one of the mine's engineers.
“我们整天担心这些支架会崩塌，”矿井工程师拉提夫说。
One has predicted it would cause a crisis far worse than the collapse of Lehman Brothers in 2008.
有人预言，这将引起比雷曼兄弟在2008年倒闭更严重的危机。
Before the collapse of the building, many people did manage to get away, but figures aren't yet known.
在大厦倒塌之前，许多人都得以逃出，但确切的数字目前还不清楚。
One of the reasons Zimbabwe's economy is such a mess is the collapse of the commercial farming sector.
津巴布韦经济如此混乱的原因之一是商业化农业的崩溃。
Since the collapse of Lehman Brothers in September, export-led manufacturers have been hit hardest.
自从去年九月雷曼倒闭后，出口导向型制造商受损惨重。
It's a lesson the financial world might have heeded after the collapse of Long-Term Capital Management.
这是金融世界在长期资本管理公司崩溃后应该学到的一课。
Their reputation has yet to recover fully from the collapse of Northern Rock, a mortgage lender, in 2007.
他们的声誉还未完全从2007年房屋贷款银行——北岩银行的倒塌中完全恢复过来。
Severe tendinitis and the collapse of his parent's marriage undermined Nadal's composure at Roland Garros.
严重的肌腱炎和他父母婚姻的崩溃影响了纳达尔在罗兰·加洛斯的镇定。
Meanwhile the collapse in the share price has lead to speculation that BP may become a takeover target.
同时，因股价的崩盘，有推测称英国石油公司可能会沦为收购对象。
Meanwhile the collapse in the share price has lead to speculation that BP may become a takeover target.
同时，因股价的崩盘，有推测称英国石油公司可能会沦为收购对象。
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