Why not buy a second-hand one on the Internet?
为什么不在网上买一个二手的呢？
A second puzzle is why the effect has not been arbitraged away.
第二个谜团是为什么该效应没有因为套利而消失。
Mises was surely not the first to see it otherwise, but he was second to none in spelling out why the pessimists are wrong.
米塞斯并不是第一个看出这种观点错误的人，但他是最好地阐明这种悲观是错误的人。
Also left unexplained was why railway signals did not stop the second train before it hit the first one.
另外，在第二辆列车冲向第一辆列车前，为何没有铁路信号加以阻止。这也同样令人匪夷所思。
The logic is this: If the first version was not banned, why would the second one be?
从逻辑上讲：如果首版通过了审核，那再版怎么可能通不过呢？
THE MOST TOYS Younger children, however, may not grasp the idea of delayed gratification when asking why the family doesn’t have a second car or take nicer vacations.
年纪小的孩子们恐怕不会理解吃苦在前享乐在后的观念，所以他们常常会好奇为什么家里不买第二辆汽车或者度假的时候为什么不选一个更好的目的地。
Sometimes a look is all that's needed to break the ice. When faced with a person you find attractive, why not give them a genuine, 3 second smile?
有时候眼神的交流就能打破沉默，当你面对一个有魅力的人时，为什么不展现一个真诚的三秒钟微笑呢？
There is a second reason why American households will not retreat all the way back to the Ozzie and Harriet era.
美国家庭不会完全回到OH那个时代还有另外一个原因。
This same development is the reason why the principal of a school is not the second in command, but the overall school manager.
同样地，我们可以解释为何中学校长（principal）并非学校里的二把手，他就是学校的总管。
If you can explain why the joke's not landing, then you can fulfill the second criteria of useful feedback-i. e. you're not just dispensing your opinions, but sharing applicable knowledge.
如果你能解释为什么一句玩笑话的效果不佳，你便达到了有用反馈的第二条标准——你不仅在发表自己的意见，也在分享适用的知识。
When moving the heavy book, in fact, think about it, this will not only help the teacher save trouble, also enhance their own strength, every second, why not?
在搬那沉重的书时，其实，想想看，这不但帮老师省麻烦，也增强自己的体力，一举二得，有何不可呢？
This essay provides a strict proof and a simplified one, and also presents a detailed analysis of the reason why the law of the three-second power is not suitable.
本文给出电子比荷公式的一种严格证明和一种非严格证法，并分析“二分之三次方定律”不能适用的原因。
See the second person, he said: this spider really stupid, why not from the dry side and climbed up to look around the place?
第二个看到的人说：这个蜘蛛真傻，为什么不从干的一面向上爬呢？
You need not wait until November to feel relief, however - that's coming NOW, in the second half of September, and I will show you why.
你不必等到十一月，在九月的下半月已经能开始感受到快慰！我会慢慢让你知道。
Why has Disc 2 of this set-Glenn Gould's second recording of the Goldberg Variations-been remaslered using the original analogue source tapes, and not the original digital masters?
为什么合集中的第二碟-古尔德第二次录制戈德堡变奏曲的录音，使用的是原来的模拟音源带，而不是原来的数字的母带？
Why has Disc 2 of this set-Glenn Gould's second recording of the Goldberg Variations-been remaslered using the original analogue source tapes, and not the original digital masters?
为什么合集中的第二碟-古尔德第二次录制戈德堡变奏曲的录音，使用的是原来的模拟音源带，而不是原来的数字的母带？
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