我订阅《新科学家》的主要原因是要跟上科学的进步。
My main reason for subscribing to New Scientist is to keep abreast of advances in science.
他指出糖是导致蛀牙的主要原因，尤其是糖果、蛋糕和软饮中的糖。
He pointed out that sugar is a major agent in dental decay, particularly the sugar in sweets, cakes, and soft drinks.
她在职业生涯中期重返学术界的主要原因是有更多的自由来选择研究课题。
Her main reason for returning to academia mid-career was to take advantage of the greater freedom to choose research questions.
地理信息的存储是1830年皇家地理学会（RGS）成立的主要原因之一。
The storage of geographical information was one of the main rationales for the foundation of the RGS in 1830.
当然，侵蚀是造成其破坏的主要原因之一，但人类活动应承担的责任也越来越大。
Erosion, of course, is one of the key reasons for its destruction, but human activity is also increasingly responsible.
导致视力下降的主要原因有两个：花在室内学习的时间太多，花在户外玩耍的时间太少。
Two main reasons can cause poor eyesight: too much time spent indoors studying and too little time spent outdoors playing.
他指出，只有相对于初始的背景条件，才有可能将特定因素确定为特定历史事件的主要原因。
He points out that it is possible to identify specific factors as the primary causes of a particular historical event only relative to an initial set of background conditions.
巧克力短缺的主要原因有两个——巧克力越来越受欢迎，以及制作巧克力的植物可可产量减少。
There are two main causes of the chocolate shortage—chocolate's growing popularity and less production of cocoa, the plant from which chocolate is made.
第二种，更有可能的解释是，古埃及极端干燥的气候是主要原因，因为干燥促进了有机遗骸的保存。
A second, more likely, explanation is that the extremely dry climate of ancient Egypt was largely responsible, given that dryness promotes the preservation of organic remains generally.
身体活动的日益减少是我们腰围见长的一个主要原因。
Our waistlines are expanding for one major reason: increasing inactivity.
导致增幅回落的主要原因当然是消费者信心不断下滑。
The major factor contributing to the pace shift is, of course, declining consumer confidence.
人们之所以想办法省钱，担心失业是主要原因。
Fear of losing a job is a big reason why people are looking to save money.
可以说这种良好的气候是我们人类能够进步的主要原因。
This benign climate is arguably the main reason why our species has been able to progress.
农民工非正式就业通常是造成其脆弱性的主要原因之一。
One of the main reasons for migrant workers' vulnerability is the typically informal nature of their employment.
主要原因在于有更完善的医疗体系和更健康的生活方式。
This is largely because of better health-care systems and healthier lifestyles.
其它谷物和食糖价格的持续攀升是这次指数上涨的主要原因。
The increasing costs of other cereals and sugar were the main factors behind the rise in the index.
这正是向云计算转移的过程比较缓慢且平缓的主要原因之一。
This is one of the primary reasons the movement to cloud computing has been a slow and gradual process.
日本对加入TPP重新表现出兴趣，主要原因有三个。
Web成功的主要原因在于其UI模型的可预见性和简单性。
The major reason for the success of the Web is the predictability and simplicity of its UI model.
这就是我在布达佩斯的中欧大学设立公共政策学院的主要原因。
That is the main reason why I have decided to set up a School of Public Policy at the Central European University in Budapest.
父母选择在家中自己教育孩子的主要原因是他们可以因材施教。
The main reason why parents choose to teach their children at home is that it is a good method to teach students in accordance with their aptitude.
气候正在变化，已能感觉到其影响，而人类活动是一个主要原因。
The climate is changing, the effects are already being felt, and human activities are a principal cause.
在全球范围内，青光眼是导致不可逆性失明的最主要原因。
Glaucoma is the leading cause of irreversible blindness worldwide.
我们长期以来之所以支持非洲民族解放和振兴，这是一个主要原因。
That is one major reason that we have been long supporting the national liberation and rejuvenation of Africa.
从历史上看，不对称的信息获取能力是国家间冲突的主要原因之一。
Historically, asymmetrical access to information is one of the leading causes of interstate conflict.
很多球队如今都采用人造草坪，主要原因在于其维护保养十分简单。
Lots of teams are installing it, largely because maintenance is so easy.
实际收入增加的主要原因在于工资、养老金和社会福利的增加。
Real incomes grew mainly due to the increases in wages, pensions, and social benefits.
许多科学家相信，二氧化碳是造成气候变化速度加快的主要原因之一。
Many scientists believe carbon dioxide is one of the main reasons climate change is accelerating.
对于大多数消费者来说，食品的营养价值并不是他们购买的主要原因。
For most consumers, a foodstuff's nutritional value is not the main reason for buying it.
对于大多数消费者来说，食品的营养价值并不是他们购买的主要原因。
For most consumers, a foodstuff's nutritional value is not the main reason for buying it.
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