Change made in the "heat of battle" might seem innocuous at first, but when it begins to cause problems, you are left to find the needle in a haystack.

在 “激战阶段” 进行的更改一开始好像没有危害，但当它开始导致问题时，要找出问题所在就仿佛是大海捞针。

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In a word, to solve all the problems of the left-behind children needs the government, families and schools to try their best together.

总之，解决所有留守儿童的问题需要政府、家庭和学校一起努力。

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There are also many other problems of the left behind children, such as having no ability to protect themselves, unhealthy lifestyles, spending too much pocket money and too much time on the Internet and so on.

留守儿童还有很多其他的问题，比如没有能力保护自己，不健康的生活方式，花太多的零用钱和太多的时间在互联网上等等。

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So one of my purposes of this course is to get you, whether you study Biomedical Engineering after this or not, excited about the subject so that you start thinking about how you could innovate in this area where lots of problems are still left to solve, so I'll see you on Thursday hopefully.

我这门课的目的之一就在于,无论你们继续学习生物医学工程与否,我想激发你们对这门课的兴趣,思考在这个仍旧存在诸多问题的领域中,你们能做出什么样的创新,希望在周四的课程中再见

耶鲁公开课 - 生物医学工程探索课程节选

It was Boro who had the better of the opening exchanges as Joe Bennett and Haroun combined to cause the visitors problems down the left.

BBC: Sport - Middlesbrough 1-0 Hull

But it was the visitors who threatened early on with Lafferty causing the Bairns defence problems on the left wing.

BBC: Falkirk 0-1 Rangers

"The hope is there is some solution so we won't have to go through this all summer, " said Mr. Isom, adding that the FAA's handling of the problems has left airlines puzzled because seemingly small issues are causing delays.

WSJ: Airlines Seek More Clarity on Controller Shortage