Now that last mile, last foot, in a sense, is the first step of the infrastructure. 现在想想这最后一英里，最后一步，在某种意义上，是迈向基础设施的第一步。 The second step of the infrastructure needs to take care of the range extension.

What these things have in common is that kids will take a chance. 以上例子的共同点就是孩子们愿意冒险。 If they don't know, they'll have a go. Am I right? 对于未知的事物，他们愿意去尝试。难道不是吗？ They're not frightened of being wrong. I

So, if you have a ham butt problem, and you're thinking about the ham butt problem, 所以如果你知道火腿屁股这事儿，而你又正在考虑这个问题， the conclusion that it leads you to is inexorable and counterintuitive: paper is the ene

Hi, everybody. This week, we made it official—I'm going to Cuba. 大家好。这个星期，我们正式决定，我即将出访古巴。 When Michelle and I go to Havana next month, it will be the first visit of a U.S. president to Cuba in nea

but perhaps you are hoping to remotely touch someone you'll never meet 有可能 你会同遥远的未曾相识的人产生联系。 the Spirit, Opportunity and Curiosity rovers which are on Mars 勇气号 机遇号 好奇号火星探测器。 are each fitted with a