But nowadays in spite of all that, and expensive membership fees, health clubs are hugely popular, so how come?
但如今，尽管如此，尽管还有昂贵的会员费，健身俱乐部还是非常受欢迎，那为什么呢？
How come people have to turn off their cell phones and all our electronic devices when an airplane is about to take off?
当飞机要起飞时，人们为什么要关掉他们的手机和所有的电子设备呢？
This accounts for our reaction to seemingly simple innovations like plastic garbage bags and suitcases on wheels that make life more convenient:"How come nobody thought of that before?"
这就解释了我们对塑料垃圾袋和带轮行李箱等看似简单的发明的反应：“为什么以前没有人想到这一点？”
This accounts for our reaction to seemingly simple innovations like plastic garbage bags and suitcases on wheels that make life more convenient: "How come nobody thought of that before?"
这就解释了为什么当我们看到像塑料垃圾袋和带轮行李箱这些让生活更方便且看似简单的发明时，我们的反应是：“为什么以前没有人想到这个？”
This accounts for our reaction to seemingly simple innovations like plastic gargabe bags and suitcases on wheels that make life more convenient: "How come nobody thought of that before?"
这就解释了为什么当我们看到像塑料垃圾袋和带轮行李箱这些让生活更方便且看似简单的发明时，我们的反应是：“为什么以前没有人想到这个?”
—Michael was late for Mr. Smith's chemistry class this morning. —How come? As far as I know, he never came late to class.
——今天上午迈克尔在史密斯老师的化学课上迟到了。 ——怎么会呢？据我所知，他上课从不迟到。
Laura, it seems that you are up to your neck in work, how come you've been so busy?
劳拉，你的工作似乎忙得不可开交，你怎么这么忙？
The real question in the future is how come people afford these things if they don't have money, because they can't get a job that pays enough.
未来真正的问题是，如果人们因为找不到一份薪水足够的工作而没有钱的话，那他们怎么能买得起这些东西。
"How come I've never met him?" Jim asked.
“那我怎么从来没见过他？”吉姆问。
How come when Jackie Mason says the same thing, it's hilarious?
为什么当杰克·梅森说同样的话时，事情没那么严重，大家只是觉得好笑呢？
How come I am so tired when I go home at the end of a shift?
我下班回家后怎么会那么累呢？
W;How come this so confusing ?What are these other rates listed?
怎么这么令人费解呢？表中所列出的另外的那些兑换率是怎么回事？
Or 'If it's such a good invention, how come we didn't think of it?'
或者‘如果这是一项很好的发明，我们难道会想不到吗？’
"Then how come it was sealed up and blank?" he asked, smiling triumphantly.
“那为什么它被密封上了，而且还是空白的？”他问道，得意地微笑着。
How come I never made a single step to live a life that I wanted to live?
我怎么从来没有做过一个单一步骤来让自己过我想要的生活吗？
But if it's so obvious, how come for so long people have not realized it?
可是如果这一点真是那么显而易见，缘何长久以来人们就是意识不到呢？
If network connectivity issues are related, how come your guys are able to?
如果是网络连接的问题，为何只有其他人能上网我不能上？
And secondly: "If your Pa's named Sansom, how come you call yourself Knox?"
然后吧，如果你爸姓桑森，凭啥你还自称诺克斯呢？
The question instead is how come people would name a clam or mussel after a pig?
现在的问题在于，为什么人们会用猪(pig)来为蛤蜊或贻贝来命名？
So many of my patients come to me with the same complaint: "How come I'm not losing weight?"
我的很多病人都来找我抱怨“我的体重为什么没有下降？”
Which goes back to that first question you asked about how come now we're so worried about this.
这又回到了你的第一个问题，为什么现在我们对这件事这么担心。
Undaunted, our friend continued: “And how come they changed the city’s name in the first place?”
这位朋友也并不在乎是否有人回答，又问道：“那他们为什么要改掉一个城市的名字呢？”
Julie looked puzzled. "How come all those marshmallow bushes don't have the same kinds of leaves?"
朱莉看上去有点迷惑“为什么他们没有相同的叶子呢？”
So researchers got to wondering: how come people who enjoy the stuff often express brand preference?
因此科学家们感到困惑：为什么喜欢这种酒的人经常表现出特定的品牌偏好？
How come the one thing that shouldn't be taken for granted is the very first to be overlooked by most?
为什么这最最不能被认为是理所应当的事总是最先被忽视？
You will ask a TA, how come my graphs aren't appearing in screen, and the TA will say, did you do show?
你可以问问助教，为什么我屏幕上显示不出图像呢？，他会告诉你你打了show吗？
So how come my local mall does more business in an afternoon than the entire Internet handles in a month?
那么，为什么我的本地卖场在下午比那些所有的网络吹嘘的还要繁忙？
How could this be? If the medications are supposedly "keeping them healthy," how come they feel so bad?
这怎么可能，如果药物是用来“让他们保持健康的”，现在他们怎么感觉不好呢。
So many of my patients come to me with the same complaint: "How come I'm not losing weight? I barely eat anything!"
我的很多病人都来找我抱怨“我的体重为什么没有下降？”
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