But to all those who would be tempted by weakness, let us leave no doubt that we will be as strong as we need to be for as long as we need to be. 但是，对所有那些见软就欺的人来说，让我们不容置疑地表明，我们需要多么强大就会多强大：需要强大多久，就会强大多
Now, this is a particularly remarkable example of creativity. 这是个非常杰出的创新例子。 But this sort of cross-pollination happens for each of us in small ways thousands of times per day. 但这种跨界转型每天正以难以察觉的方式在我们身边，
And this is of course important in your professional life, as well, or it could be. 当然这在你的职业生涯中也很重要，或可能很重要。 If, say, you design something and then you ask people, "Why do you think this is good or bad
Hi, everybody. This week, I went down to an Amazon warehouse in Tennessee to talk more about what we need to do to secure a better bargain for the middle class, to make sure that anyone who works hard
