We have seen the rise of a whole set of threats that we're not prepared to deal with, from climate change to global epidemics.
我们发现危机重重,我们还没有应对的准备,从气候变化到全球范围内的流行病。
because we haven't passed new environmental laws to help with climate change yet.
因为我们目前还没有通过应对气候变化的新的环境法。
And that for centuries thereafter, different rhapsodes repeated it but elucidated it, illuminated it, extended it, changed it, tried to improve it, sometimes they added stuff.
在这之后的几个世纪里,不同的史诗吟诵者重复着,讲解着,阐释着 拓展着,变化着,尝试改进着,有时还添油加醋
Afghanistan was sure changed from the start and still being sure changed.
与以前相比,阿富汗肯定有所改变,将来还会有变化。
That would be a very straightforward functional way to do it, but you could imagine that that's very labor intensive because you've got to separate each individual cell, and you've got to nurture it and then keep track and study what it becomes.
这是一种非常直截了当的有效方法,但你能想象这得耗费海量的人力,因为你得分离每一个细胞,并进行培养,然后还得追踪和研究它们的变化
So, so we'll see, we'll see where things go.
所以,现在一切都还在发展变化之中。
In fact, it's lower than the correlation of income changes, which is surprising.
事实上,比收入变化相关性还低,这很奇怪。
As we'll discuss in the class, and most of you probably know this, your body weight is a function of how many calories you take in and how many calories you burn off through metabolic processes but also physical activity.
我们将会讲到,而且你们中的大部分人可能也知道,你的体重随着卡路里的摄取量,和代谢中的消耗量而变化,还跟肢体活动有关
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