When is it coming out in paperback ?
这本书的平装本什么时候出版？
When is it OK to keep a secret from co-workers or bosses, and when is it wrong?
什么时候应该对同事或老板保守秘密，什么时候又不应该呢？
Hopefully, it will answer the question for every developer looking to release a polished application: When is it ready?
它将回答所有开发人员都关心的问题：应用程序什么时候准备好了？
Even better, when is it just not worth the time and effort required to introduce a new API into your application framework?
或者更具体地说，什么情况下不值得您花费时间和精力在应用程序框架中引入新的API ？
"We kept wondering, When is it going to be our turn?" says Huang Mengqi, a fashion designer and entrepreneur who owns a shop off the Bund.
时装设计师兼企业家黄孟奇说：“我们一直想知道，什么时候轮到我们？”他在外滩附近有个店。
This leads to a question: when is it better to understand and improve upon an existing solution, and when is it better to dismiss the existing solution and try a new approach?
这引出一个话题：什么时候更适宜去理解和改进一个现有解决方案要，而什么时候又适宜摒弃现有方案而尝试新的途径呢？
When children end up taking care of their parents, it is a strange role reversal indeed.
当孩子们最终照看起父母来的时候，这确实是一个奇怪的角色转变。
The irony is that when he finally got the job, he discovered he didn't like it.
讽刺的是，当他最终得到那份工作时，他发现自己并不喜欢它。
It is often helpful to have your spouse in the room when major news is expected.
在等待重大消息时，让你的配偶在场往往是很有好处的。
The second problem is that Venus exhibits a halo of light when it is seen just outside the Sun's disc.
第二个问题是，当金星在太阳圆盘外被观测到时，它会呈现出光晕。
You mean because it is live, when the performance is finished, there are no videos of it.
您的意思是，因为演出是现场直播，所以表演落幕后就没有它的录像带了。
It is mere surmise that Bosch had Brant's poem in mind when doing this painting.
博斯画这幅画时头脑里想着勃朗特的诗，这只是猜测而已。
The Bank of England insists that it will cut interest rates only when it is ready.
英格兰银行坚持只有在它做好准备时才会降低利率。
When it comes to expressing himself he is no shrinking violet.
他表达自己看法时一点都不羞涩。
When you come to choosing a dining table, it really is worth digging deep into your pocket for the best you can afford.
说到选择餐桌，的确值得尽你的财力买张最好的。
While the news, so far, has been good, there may be days ahead when it is bad.
虽然到目前为止都是好消息，但是可能过几天就有坏消息了。
Melt the butter over a medium-low heat. When it is melted and bubbly, put in the flour.
用中低火把黄油加热。待黄油熔化起泡后，放入面粉。
When travelling on fast roads at night it is impossible to drive and navigate at the same time.
夜晚在快速路上行驶时，不可能边开车边找路。
When text is saved from a Web page, it is often very badly formatted with many short lines.
文本从网页上另存时版式通常会变乱，出现很多短行。
Why does chlorophyll need protection when it is the natural world's supreme light absorber?
为什么叶绿素是自然界最高等的光吸收体，却需要保护？
Remember, magma is hot molten rock that's underground, and it is called lava when it reaches the surface.
记住，岩浆是地下炽热的熔化了的岩石，当它到达地表时就被称为熔岩。
We are not capable of replacing all fluids lost in sweat when we run, especially when it is very hot and humid.
想完全弥补我们在跑步过程中损失的的水分是不可能的，特别是当环境非常炎热和潮湿的时候。
Well retain information, that is meant to be read, does not work as well when it is heard.
在听到我们用于阅读的信息的时候，我们往往不能马上就听懂。
When it is angry or afraid, it makes a noise like a rattle with its tail.
当它生气或害怕时，它会用尾巴发出卡嗒卡嗒声。
Our advice is to go to this part of the town in the morning when it is relatively quiet.
我们的建议是早上去城里这个地方，那时比较安静。
Consumers planning to buy recreational equipment tend to buy higher quality, more expensive equipment when the economy is strong than when it is weak.
计划购买娱乐设备的消费者往往会在经济强劲时购买质量更高、更昂贵的设备，而不是在经济疲软时购买。
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