To add a further problem, second line treatments for these diseases are expensive and in short supply.

此外，还有另一个问题，即针对这些疾病的二线治疗费用很高，而且供应短缺。

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The first focus on the idea of personal growth and the second tackle a particular problem, for example depression or anxiety.

第一类是主要是关于个人成长，而第二类则侧重解决一些实际问题，比如沮丧或者忧虑。

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And now we come to our second problem.

现在，我们讨论第二个问题。

youdao

But in terms of SI units, which become much more useful if you're actually trying to use intensity in a problem and cancel out your units, we're just talking about joules per second is what intensity is.

但是用国际单位制，这个变得越来越有用了,如果你实际上在使用强度,来解决问题和约化单位，我们仅仅讨论每秒钟的焦耳,这就是强度。

麻省理工公开课 - 化学原理课程节选

That's the question we're going to try and address. If we can do this, this is good, because first of all, it removes any questions about what machine I'm running on, it's talking about fundamentally, how hard is this problem, and the second thing is, it is going to do it specifically in terms of the input. Which is one of the things that I was worried about.

这是一个我们接下来要去,尝试和解决的问题，如果我们能做到的话会很不错，因为首先，它解决了结果可能和我,运行的计算机有关系的问题，因为这从根本了告诉了，我们这个问题的复杂度，第二件事情,就是这种方法可以依据输入的大小来计算,而这正是我最担心的地方。

麻省理工公开课 - 计算机科学及编程导论课程节选

You can go to any one of these times more comfortable, less comfortable, somewhere in between, and the focus of these sections will be on the material cover this week as well as potentially the start of next week and with a focus on problem set 1, which is the second problem set, 0 index which will go out via PDF this weekend.

只要你乐意，上哪堂课都可以，这些课程不仅覆盖了本周的学习内容,也可能囊括了,下周要学习的知识,请大家把注意力集中到我们的第二本习题集--习题集1上，这周末会以PDF格式发布出来。

哈佛公开课 - 计算机科学课程节选

First, an uncertainty about the exact nature of the problem and second, the inevitable delays in assessing data which had to be extracted on our re-supply flights before it could be analysed.

BBC: Arctic team: 'London, we have a problem'

The second, and related, problem is that some of the asset classes were quite small.

ECONOMIST: Spreading the risk has spread the losses

Indoor air pollution (IAP) is an excellent example: A massive global problem and the second-largest driver of global warming, IAP causes over 3.5 million needless deaths each year, mainly in the developing world, and has a disproportionate impact on women and children.

FORBES: Where There's Smoke, There's Fire: A Call to Action for Better Indoor Air Pollution Research