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And that means that it's vulnerable to certain kinds of mistakes that can happen,
這意味着這種網絡易受到某種可能發生的某種錯誤的干擾，
or certain kinds of deliberate attacks, but even the mistakes can be bad.
以及受某種蓄意的攻擊，但是即使是錯誤，也會很麻煩。
So, for instance, in all of Asia recently, it was impossible to get YouTube for a little while because Pakistan made some mistakes in how it was censoring YouTube in its internet work.
例如，最近在亞洲的所有地區，有一小段時間不能訪問YouTube是因爲巴基斯坦在其內部網絡審查YouTube的方法上犯了一些錯誤。
They didn't intend to screw up Asia, but they did because of the way that the protocols work.
他們無意於在亞洲牆掉Youtube，但由於的協議工作方式，他們確實短時間內阻斷了Youtube。
Another example that may have affected many of you in this audience is,
另一個可能會影響很多在座聽衆的例子是，
you may remember a couple of years ago, all the planes west of the Mississippi were grounded because a single routing card in Salt Lake City had a bug in it.
你可能還記得在數年前，密西西比州西部的所有飛機停航了，是因爲鹽湖城的一個路由卡出現了問題。
Now, you don't really think that our airplane system depends on the Internet, and in some sense it doesn't.
你當然不會認爲飛機系統依賴於因特網，在某種意義上它確實不依靠因特網。
I'll come back to that later.
稍後我會再談到這一點。
But the fact is that people couldn't take off because something was going wrong on the Internet, and the router card was down.
事實是人們不能起飛，是因爲互聯網出了某種問題，路由卡宕機了。
that means
這意味着
1.That means so much to me.
那對我太重要了。
2.I think it's pretty clear what that means to you
我想這對你來說意味着什麼已經很明顯了
3.I know you don't know I know what that means
我知道你不知道我知道那意味着什麼
it is impossible to
不能
1.It is impossible to say how delicious it is.
很難說它是多麼的美味。
2.it is impossible to be sure who is the murderer.
我們無法確定誰是兇手。
3.It is impossible to get help, so she has to become a tough girl
因爲不能得到幫助，所以她必須變成一個女漢子。
screw up
擰緊;扭歪（臉）;<非正>把…搞糟
1.I hope I don't screw up this time.
我希望這次不會搞砸了。
2.if I screw up again, I will punish myself
如果我再搞砸，我會懲罰自己。
3.I think I screwed up yesterday's interview
我想我把昨天的面試搞砸了。
in some sense
在某種意義上
1.in some sense, she is my girlfriend.
從某種意義上說，她是我的女朋友
2.In some sense it is ， but the success is does not have the shortcut, you pay how many to have how many the repayment.
從某種意義上說確實是，但成功是沒有捷徑的，你付出多少有多少回報。
3.in some sense , we can get eternal life
從某種意義上說，我們可以得到永生。
