The primary reasons is the language barrier.

主要的原因就是语言上的差异。

But I think the primary reason is money.

但是我觉得，赚钱才是主要目的。

In summary, there are two primary reasons behind it.

总的来说，有两个主要原因。

His primary reason for studying was to get a better job.

他学习的主要动机是想获得一份较好的工作。

You'd be surprised. My primary reason for existence has abandoned me.

你不知道。我存在的全部意义已弃我而去。

Nutrition is not the primary reason why patients usually come to home health.

营养通常不是病人去家庭保健的主要原因。

I would say that those concerns will be justified and for two primary reasons.

我想说，这些担忧是合理的，主要有两个原因。

Well, the primary reason for people to study languages is to communicate with others.

人们学习语言的主要原因是为了与他人进行交流。

The primary reason behind the existence of track ballast is to protect the railway track.

轨道道砟存在的主要原因是为了保护铁路轨道。

OK. And...and that's probably the primary reason for functional organization right there—is that we want some engineering consistency.

好了。那可能是功能性组织存在的首要原因——我们需要一些工程一致性。

And this to me cannot be the primary reason or driver why we explore and venture into deep space.

对我来说，这不应该是我们探索深入外太空的主要理由和驱动。

The canal is the primary reason for Egypt's geopolitical significance and one of the country's primary sources of revenue.

运河是埃及具有地缘政治重要性的主要原因，也是该国的主要收入来源之一。

This first-ever domination of the globe by one language is the primary reason for the international use of English today.

这种空前第一次由单一语言统治全球的情况便是今日英语为何会成为国际语言的主因。

The primary reasons for going out is to get pissed and get laid.

外出的主要原因是生气和上床。

The primary reasons for my suggestion are as follows.

我这样建议的主要原因如下。

The primary reasons are as follows.

主要原因如下。

But this is one of the primary reasons why our lobster population in the state of Maine is still so high.

但这是缅因州龙虾数量仍然如此之多的主要原因之一。

Shortage of water and food could be another primary reason of their extinction.

水和食物的短缺可能是它们灭绝的另一个主要原因。

Perhaps the primary reason is that developing a creative mindset benefits academic success.

也许最主要的原因是，发展一种创造性的思维方式有利于学术成功。

One of the primary reasons people continue to use cars and motorcycles is the lack of viable alternatives.

人们继续使用汽车和摩托车的主要原因之一是缺乏可行的替代品。