美 [meɪn ˈriːzn]
主要原因：导致某事发生的最主要的原因。
主要原因-引用次数：549
The main reason is that the students' professional abilities can not meet the requirements of enterprises.
而学生专业能力较差,不能满足企业需求,是电子商务专业毕业生滞销的主要原因之一。
主要根源-引用次数：2
参考来源信托制证券投资基金治理结构研究
...正常微生物群与其宿主之间的微生态平衡，在外界环境影响下，由生理性组合转变为病理性组合的状态 11 主要原因（The main reason）：①长期使用广谱抗生素：引起二重感染或重叠感染，系一种菌群失调症dysbacteriosis菌群失调：正常菌群中各菌种间的比例发生较大...
... What do you want to do in your city? » 你想在你的城市做什么？ main reason » 主要的原因 local contact information » 当地联系信息 ...
主要原因
My main reason for subscribing to New Scientist is to keep abreast of advances in science.
我订阅《新科学家》的主要原因是要跟上科学的进步。
Human activity is the main reason for this, the United Nations (UN) said.
联合国表示，人类活动是造成这一现象的主要原因。
The main reason why this place is so important to me is my grandmother.
这个地方对我如此重要的主要原因是我的祖母。
"I have lots of friends that came to U.S.C. That is the main reason I wanted to come.
VOA : special.2010.05.27
I think the main reason is that there are no equations that involve the third derivative explicitly.
我想主要原因是因为还没有等式,明显涉及三阶导数
基础物理课程节选 : 耶鲁公开课
The main reason why I say that is actually not necessarily because of what's in the museum, but because of the museum itself.
我这样说，并不一定是因为博物馆里的东西，而主要是因为这个博物馆本身。
SpeakingMax英语口语达人 : 喜欢的艺术家
The main reason to go on these tours is to see the famous houses of Cape May.
VOA : special.2009.06.01
Governor Schwarzenegger said California's finances were the main reason the Legislature changed the law.
VOA : special.2010.10.11
After all, seeing cool fish and colourful coral is the main reason divers descend below the surface.
No one acknowledged the main reason why the U.S. tax code is so completely broken.
The main reason is April is the second biggest month for inflows into stocks after January.