1·He firmly believes that education and a country's economic development are key factors to progress.
他坚信教育和一个国家的经济发展是通向进步的关键因素。
—— 《柯林斯英汉双解大词典》
2·There are two key factors behind this trend.
这一趋势背后有两个关键因素。
3·Among the key factors behind this growth were increased agricultural productivity and an expansion of trade.
这种增长背后的关键因素是农业生产率的提高和贸易的扩大。
4·Most number systems, then, are the by-product of two key factors: the human capacity for language and our inclination for focusing on our hands and fingers.
因此，大多数数字系统都是两个关键因素的意外结果：人类的语言能力及我们对手和手指的关注倾向。
5·These laws are also counterproductive, since they make it harder for people with criminal records to find housing or land a job, two key factors that reduce backsliding.
这些法律同样会产生相反的效果，因为它们加大了有犯罪前科的人租房、就业的难度，而这两个因素正是避免他们重蹈覆辙的关键。
6·Perhaps we should give special attention to the conservation of such plant species since they lack key factors in their defenses against the environmental disruption caused by pesticide use.
也许我们应该特别注意保护这类植物，因为它们缺乏关键的因素来抵御由使用杀虫剂而造成的环境破坏。
7·The first and the third can be key factors in the structure of a biological community; that is, all the populations of organisms living together and potentially interacting in a particular area.
第一个和第三个可能是生物群落结构的关键因素；也就是说，所有的生物种群都生活在一起，并且它们可能在一个特定的区域内相互作用。
8·Air temperature and vapor pressure deficit were the key factors affecting transpiration.
气温和蒸气压不足是影响蒸腾作用的关键因素。
9·That depends on several key factors.
这要根据以下的几个主要因素。
10·He chose Django because of two key factors.
因为两个关键的因素，他选择了Django。