According to a survey, students' safety has become a big problem.
根据一项调查，学生的安全已经成为一个重大问题。
It has become a big problem recently.
最近它已经成为一个严重问题。
The air pollution has become a big problem.
有关污染，这是个全球性问题。
They never knew that population would become a big problem.
他们从没意识到人口会成为一个大问题。
They never knew that population would become a big problem.
他们从来都不知道人口问题将会成为一个大问题。
Nowadays, pollution has become a big problem for the world.
如今，污染已成为一个大问题。
In transnational merger and acquisition, culture has become a big problem.
在跨国并购中，文化成为最大的问题。
How to manage internal employee information, enterprise management has become a big problem.
如何管理好企业内部员工信息，成为企业管理中的一个大的问题。
How to find the requisite information quickly and accurately has become a big problem for the users.
如何快速、准确的从浩瀚的信息资源中找到自己所需要的信息已经成为困扰用户的一大难题。
The low effect of moral education has become a big problem which has troubled the educational work in institutions of higher learning.
德育工作实效性低，已经成为目前困扰高校教育工作的一个大问题。
Due to the weakness of FECG and the effect of various noises, catching the FECG has become a big problem for signal process the academic circle.
由于胎儿心电信号本身非常微弱，加上各种噪声和干扰的影响，提取FECG成了信号处理学界的一大难题。
Inflation was being caused mainly by rising prices of raw materials and energy but many manufactured goods remained in oversupply, meaning that inflation "will not become a big problem", he said.
通货膨胀主要是原材料和能源价格上涨引起，但许多制成品依然供应过剩，意味着通货膨胀“将不会成为大问题”，他说道。
This could become a big environmental problem.
这可能会成为一个严重的环境问题。
Sometimes what starts as a bad habit can become a very big problem.
有时候，一开始只是坏习惯的事儿会变成很严重的问题。
Financing schools has become a problem about equal to having an elephant in the living room. It's so big you just can't ignore it.
筹集学费已经像房间里的大象一样，成了一个不容忽视的问题。
If we as managers cannot become motivational leaders to our staff then we have to accept the high turnover of staff that is currently a big problem in Hainan and China.
但是，如果管理人员不能很好的激励员工，就要面对工作人员流动很大的状况，这也是海南，甚至中国现在所面临的问题。
In small doses, this is not a big problem, but if complaining has become a huge part of our identities, it may be time to take a good look at how we are spending our energy.
如果小小地来那么一两次，还不是什么大问题，可是如果我们经常抱怨，也许就要花时间好好看看自己是怎样分配精力的。
The flow of talent has become a big social problem. Traditional recruitment not only makes the job-seekers feel inconvenient but also wastes much time. It makes people lost many opportunities.
人才的流动已成为社会的一大问题，传统的招聘方式不仅让人觉得很不方便，而且受时间和空间的限制，让许多人失去了很多机会。
Worrying about that big test is normal, as is worrying about that possible job promotion, but when you begin to worry excessively, it can become a real problem.
担心重要的考试很正常，担心可能的工作升迁也是一样。但当你开始过分担心时，担心本身可能成为问题。
When does it become a big enough problem to require professional help?
什么时候问题变得足够严重而需专业帮助。
Aqristogensis has become main content of enviroment and health study to control population and raise quality in the future, even is a big problem concerning human prospects .
为控制人口数量，提高人口素质，优生也成为环境与健康研究的主要内容。
Aqristogensis has become main content of enviroment and health study to control population and raise quality in the future, even is a big problem concerning human prospects .
为控制人口数量，提高人口素质，优生也成为环境与健康研究的主要内容。
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