To prove that factor a has no effect whatever on outcome b may be important in the sense that it refutes a hypothesis.
证明因素a对结果b没有任何影响可能是重要的，因为它驳斥了一个假设。
Lack of exercise is also a risk factor for heart disease but it's relatively small when compared with the others.
缺乏锻炼也是导致心脏病的一个因素。但和其他因素相比，这种危险较小。
A complicating factor has been the continuing lack of specialized one-volume reference works on Asian Americans, such as biographical dictionaries or desktop encyclopedias.
一个复杂的因素是，一直缺乏专门针对亚裔美国人的一卷参考著作，如传记词典或台式百科全书。
A complicating factor is that merit aid has become so popular with middle-income families, who don't qualify for need-based aid, that many have come to depend on it.
一个复杂因素就是，奖学金深受不符合助学金申请条件的中层收入家庭的欢迎，甚至许多这样的家庭对其产生依赖。
A significant factor in the Leeds experience appears to be a scheme called HENRY, which helps parents reward behaviours that prevent obesity in children.
利兹成功经验中一项重要因素是名为“亨利”的计划。该计划让父母奖励那些防止儿童肥胖的行为。
Some people might argue physical fitness wins the day for the players and teams, whereas, others believe a key factor in any sports activity is mental attitude.
一些人可能会认为身体健康对运动员和球队来说是最重要的，然而，另一些人认为任何体育活动的关键因素是精神状态。
Furthermore, in the effort to feed the hosts of people on this planet, the focus on factory and intensive farming methods is being cited as a key factor in climate change.
此外，为了养活地球上的大量人口，人们对工厂化和集约化的耕作方法的集中被认为是气候变化的关键因素。
Over 70% of male educators who said they intended to stay in the early education workforce noted an increased salary was a major motivating factor for them to commit to the career long-term.
在打算留在早教工作者队伍中的男性教育工作者中，超过70%的人表示，加薪是激励他们长期从事这一职业的主要因素。
Even if the oil spill was not the direct cause of dolphins' death, it still could be a factor.
即使石油泄漏不是海豚死亡的直接原因，它仍可能是一个因素。
In addition, proper methods are a contributing factor in increased efficiency and positive learning outcomes.
此外，适当的方法是提高效率和产出正向学习成果的一个辅助因素。
There is generally little doubt that fire is a significant factor in maintaining savanna, certainly in most regions.
火灾是维持稀树草原的一个重要因素，在大多数地区都是如此，（人们）对此通常很少有疑问。
While there are numerous factors behind these shifts, one factor is surely a growing realization for the young that they are going to live longer.
虽然这些变化背后有许多因素，但可以肯定的是其中一个因素是年轻人越发意识到他们将活得更久。
This is particularly distressing because time seems to be a vital factor in the appreciation of all art forms.
这是特别令人苦恼的，因为在所有艺术形式的鉴赏过程中，时间是一个至关重要的因素。
So it looks like competition for resources is another important factor in determining if a particular habitat is suitable.
因此，资源的竞争似乎是决定一个特定栖息地是否适宜的另一个重要因素。
Researchers found that excessive use of cell phone could be a risk factor for mental health issues in young people.
研究人员发现，过度使用手机可能是年轻人心理健康问题的一个风险因素。
The most important factor for the survival of a species is its ability to compete and adapt to gradual changes in its environment.
一个物种最重要的生存因素是它的竞争能力和适应环境逐渐变化的能力。
This help is critically important because the high cost of caring for animal victims is a major factor that prevents people from getting involved in cruelty cases in the first place.
这种帮助是至关重要的，因为照顾受害动物的高成本是防止人们卷入虐待案件的一个主要因素。
One such factor is the evolution of downsizing into a powerful business myth: managers simply believe that downsizing is efficacious.
其中一个因素就是缩小规模已经演变成一个强大的商业神话：经理们单纯地相信缩小规模是有效的。
Those fears may be a factor in a lingering hesitation to share data even when publishing in journals that mandate it.
这些担忧可能是人们在分享数据时犹豫不决的一个因素，即便这些数据被要求在期刊上发表也是如此。
If tea is a factor in the combination lock, why didn't Japan forge ahead in a tea-soaked industrial revolution of its own?
如果茶叶是解开密码锁的要素的话，为什么在一次茶叶起着重要作用的工业革命中，日本本身并没有取得进展呢？
There is no simple or single factor that determines if a given site will be a savanna, but some factors seem to play important roles in their formation.
没有什么简单或单一的因素能决定一个给定的地点是否会成为热带草原，但部分因素似乎在热带草原的形成中扮演着重要的角色。
I can concede that a player's mental attitude can be the deciding factor in an event, for instance, a marathon running or even a less strenuous game such as chess.
我承认，一个运动员的心态可能是一个赛事的决定因素，如马拉松赛跑，或甚至是一个不那么激烈的比赛，如国际象棋。
Many policy makers insist that consumer spending is a strong economic catalyst and, therefore, a paucity of retail stores is a contributing factor to low-performing economies.
许多政策制定者坚持认为，消费者支出是一个强大的经济催化剂，因此，零售商店稀缺是经济表现不佳的一个促成因素。
A sunscreen with a protection factor of 30 allows you to stay in the sun without burning.
一种防护系数为30的防晒霜使你能够待在太阳底下而不被晒伤。
The real wage of the average worker has increased by a factor of over ten in the last 70 years.
近70年来工人的实际工资平均增长超过了十倍。
The extraction of flavone by methanol from sweet carambola leaves was studied by a single factor test and orthogonal design test.
利用甲醇浸提、单因素试验和正交试验探讨了从甜杨桃叶中提取黄酮的最佳工艺条件。
In the American colonies, advertising and communications media like newspapers and pamphlets became a major factor in marketing goods and services.
在美国殖民地，报纸和小册子等广告和传播媒体成为推销商品和服务的主要因素。
With women a second factor comes into play, most seem to enjoy the flexible-time arrangement (once known as the "mommy track") and never find their way back to full-time or high-level employment.
对于女性来说，第二个因素也起了作用，大多数女性似乎都很享受弹性的工作时间安排（曾经被称为“妈妈轨道”），她们再也找不到全职或高水平的工作。
If not, it is not plausible that the variable is a causal factor.
如果不是，变量是一个因素这说法就是不合理的。
A push factor can be as simple and mild a matter as difficulty in finding a suitable job, or as traumatic as war, or severe famine.
推动因素可以是简单而轻微的事情，比如找不到合适的工作，也可以是创伤性的事情，比如战争或严重的饥荒。
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