主因未详。
人们相信温室气体是全球变暖的主因。
It is believed that greenhouse gases are the main cause of global warming.
一般认为温室效应气体是导致全球变暖的主因。
It is believed that greenhouse gases are the main causes of global warming.
工人和雇主因为共同合约而联系在一起，这一合约双方中任何一方都能拒绝履行，而且这种关系在概念上是一种合伙关系。
The worker was bound to the master by a mutual contract that either one could repudiate, and the relationship was conceptualized as one of partnership.
口腔癌症的主因是什么？吸烟？酗酒？
What's the leading cause of oral cancer? Smoking? Heavy drinking?
压力是促成官方关注的主因。
我们知道温室气体是暖化主因
钱不是主因。
但是影院数字化的主因是他们不顾一切地想保持领先优势。
But the main reason cinemas are going digital is that they are desperate for an edge.
“不活在当下”是不幸福、痛苦和匮乏感的主因。
Living in the "not now" is a chief cause of unhappiness, pain and lack.
频宽成本被视为YouTube营运仍处于亏损状态的主因之一。
The cost of bandwidth is seen as one reason YouTube still operates at a loss.
针对富士康频发员工跳楼事件，有媒体指出，员工压力过大是主因。
In response to the continuous suicides by Foxconn employees, some media outlets said that pressure is to blame.
但是大约有四分之一的房主因房产价值不够进行抵押而无法重新贷款。
But roughly a quarter of homeowners cannot refinance because their mortgages exceed the value of their homes.
有些企业主因为要独自承担企业成功所需的全部责任而迅速筋疲力尽。
Some business owners burn out quickly from having to carry all the responsibility for the success of their business on their own shoulders.
每个美国人都知道，我们国家育儿问题很严峻，总体来说结构问题不是主因。
As every American knows, we have serious child-rearing problems in this country, and on the whole these are problems of too little structure, not too much.
戴维·科赫向纽约当地媒体表示说他并不认为人类活动是全球气候变暖的主因。
David Koch told New York that he was unconvinced that global warming has been caused by human activity.
更多白人农场主遭谋杀，170名白人农场主因拒绝离开他们的土地而面对起诉。
More white farmers have been murdered and 170 face prosecution for refusing to leave their land.
即使在这些地区，也到处都面临着基础设施欠缺的问题，这也是传播受限的主因之一。
Even in these areas, the lack of infrastructure in a spread throughout the territory and it is one of the main reasons for the limited diffusion.
世界银行对此问题的一份报告显示，相对上涨的油价来说，粮价的人为上涨才是主因。
A report on the subject being prepared by the World Bank argues that artificially high rice prices are much more to blame than the effects of the fuel-price increase.
真的很难相信年轻人会绝望到想要自杀，但自杀却是15 -24岁死亡的第三大主因。
Although it's hard to believe that teenagers could be so desperately unhappy that they would plan to kill themselves, suicide is the third leading cause of death for 15 to 24 year-olds.
加拿大调查人员认为行李检查程序、行李检查设备和雇员培训方面的不足是这起案件的主因。
Investigators in Canada cited shortcomings in baggage screening procedures, screening equipment, and employee training.
越来越多的南非黑人不说南非荷兰语是这种语言受到压迫的主因；英语则是文明和声望的象征。
Black South Africans increasingly rejected Afrikaans as the language of the main oppressor; English was a symbol of advancement and prestige.
其他专家认为气候变化是主因，气候变化造成适应冰冻气候的物种无法很好的应对变暖的环境。
Others argue that climate change was more to blame, leaving a species adapted for frozen climes ill-equipped to cope with a warming world.
煤炭是最污秽的化石燃料，燃烧时会比天然气多产生两倍的二氧化碳，成为全球暖化的主因之一。
Coal is the dirtiest of fossil fuels, producing twice the carbon dioxide that natural gas does when it is burned. That makes it a big cause of global warming.
专家称，工作负担、心理压力、环境污染和不健康的生活习惯等因素，是导致这一人群增多的主因。
Factors like heavy workloads, stress, environmental pollution and unhealthy lifestyles are known to be related to a rising infertility level, experts said.
饥饿是不健康的主因，在孩子中尤为突出。如今，一项新研究揭示了持续长久的损害是如何产生的。
Going hungry is a major contributor to ill health, particularly among children, and now a new report reveals how long-lasting the damage can be.
毫无疑问，这次突发性通货膨胀的主因是石油以及商品价格的暴涨，这造成了全球范围内的财富转移。
That this burst of inflation has been caused mainly by rising oil and commodity bills should make it clear that a transfer of wealth is happening on a global scale.
在未来40年里，食品供应增长70%可能比过去40年增长150%都要难，其主因就是产量问题。
Increasing food supplies by 70% in the next 40 years may prove harder than it was to raise them by 150% in the previous 40. The main reason: problems with yields.
南韩首尔汉阳大学的研究人员指出，摄食黑豆能降低脂肪与胆固醇，而两者都是造成第二型糖尿病的主因。
The researchers from Hanyan University, Seoul, Korea, said that eating black soya beans lowers fat and cholesterol levels, a major contributor to type II diabetes.
南韩首尔汉阳大学的研究人员指出，摄食黑豆能降低脂肪与胆固醇，而两者都是造成第二型糖尿病的主因。
The researchers from Hanyan University, Seoul, Korea, said that eating black soya beans lowers fat and cholesterol levels, a major contributor to type II diabetes.
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