Good manners add to your image while an angry face makes the best dressed person look ugly.
良好的举止可以提升你的形象，而一张愤怒的脸则让打扮得再好的人看起来也很丑陋。
Research suggests that while an unmade bed may look scruffy, it is also unappealing to house dust mites thought to cause asthma and other allergies.
研究表明，虽然一张未经整理的床看起来很肮脏，但它无法吸引那些被认为会引发哮喘和过敏症的屋尘螨。
A French couple may touch 100 times in half an hour while an American couple may only touch twice!
法国夫妇半小时内可能会接触100次，而美国夫妇只会接触两次！
A null return value implies all active slices, while an empty array will raise an exception.
空返回值意味着所有片都是活动的，而空数组则会引发一个异常。
First, what happens if new XML elements are added or an error occurs while an XML tag is being written?
首先，如果增加了新的XML元素或者拼写XML标签时出现错误怎么办？
Colder temperatures allow more water to freeze, while an increase in water vapor allows more ice clouds to form.
低温让更多水汽凝结，同时水汽的增加又能够形成更多的冰晶云。
A Chinese user would expect the forecast to be expressed in Chinese, while an American user would expect it in English.
中国人希望天气预报使用汉语表达，而美国人希望使用英语。
Tables are generally collections of data, while an object usually represents a single piece (possibly a row) of data.
表是数据的集合，对象通常代表一部分（可能是一行）数据。
Unfortunately, while an unusually large number of tornadoes struck this April, on average May is the more active month.
不幸的是，虽然四月袭击美国的龙卷风数量之多并不寻常，然而普遍来说，五月是龙卷风更为活跃的时期。
The flexibility of class loaders even allows dynamic reloading of modified code while an application continues to execute.
类装入器的灵活性甚至允许动态地重新装入已修改的代码，同时应用程序继续执行。
KAI officials were not available for comment, while an Aermacchi spokesman said he had no information to provide on the matter.
KAI官员尚未对此事发表评论，而一马基公司发言人表示，他并无关于这个问题的任何资料可以提供。
A positive attitude always works in favor of you while an attitude which is impulsive and rash can easily ruin your reputation.
积极的态度通常能使你获利，而冲动或者轻率鲁莽的态度很容易使你身败名裂。
Sixty-four percent of employers surveyed have banned flip flops, while an additional 49 percent have forbidden mini-skirts.
在调查中，有64%的雇主禁止穿拖鞋，另有49%的雇主禁止穿迷你裙。
These tools allow performance testing while an application is running on Windows Azure. There are four different profiling options.
当应用程序在Windows Azure上运行时，可以使用这些工具进行性能测试。
The toxins were dumped while an electrical barrier normally used to prevent any Asian carp from the Great Lakes was turned off for maintenance.
在投放毒素的同时，一个平时用来防止亚洲鲤鱼进入五大湖的电网被关闭并进行维护。
About 57 billion text messages were sent in Britain last year, while an estimated three billion e-mails are sent every day, The Times reported.
据《泰晤士报》报道，去年英国人共发送约570亿条短信，平均每天约发送30亿封邮件。
Internally, a debugger has direct access to the same memory space as the running process, while an external debugger will access the memory via a socket.
内部调试器对运行进程所在的内存空间具有直接访问权，而外部调试器将通过套接字访问内存。
The second type of flow control statement in Python is the while loop, which executes a block of program statements while an expression evaluates True.
Python中的第二种流控制语句是while循环，它在一个表达式计算为True时执行一个程序语句块。
A warning alert indicates a non-critical condition that might indicate a non-optimal system, while an alarm alert is a critical condition requiring immediate action.
提醒警报指明了一个非临界条件，这类警报可能意味着当前系统不是最优化的，而报警警报指明的是临界条件，要求立即采取行动。
So while an electron has a negative charge, its antimatter counterpart, a positron, has a positive charge and they annihilate each other when they get too close.
所以，电子带负电，那它对应的反物质正电子就带正电，并且它俩如果靠太近就会湮灭掉。
Two brown pelicans stand among a flock of seagulls on the shore of Ship Island, Mississippi, on Thursday while an oil containment boom floats in the water nearby.
星期四，在密西西比州轮船岛的海滨，两只棕鹈鹕站在一群海鸥当中。附近，阻油围栅浮于水面。
The executives, none of whom are based in Italy, do not face actual imprisonment as the sentences were suspended, while an appeals process in Italy can take many years.
上述高管无一在意大利办公，同时考虑到缓刑因素和意大利的上诉案件会花费数年时间，因此，他们实际上并不会面对真正的牢狱之灾。
A discovery can be as simple as the observation of a previously unnoticed phenomenon, while an invention is a human-devised machine, tool, or apparatus that did not previously exist.
很多人都不清楚这个。发现也许是简单地观察到了前人未曾注意到的现象，而发明是设计了某种以前未曾有过的机器，工具或者设备。
In tunnel mode, the inner IP header carries the intended source and original destination addresses, while an outer IP header contains IP addresses for hop points such as security gateways.
在隧道模式，内部的ip报头承载预设的源和最初的目的地址，外部ip报头包含用于跳点的IP地址，比如安全网关。
Further, we have seen that bottom-up Web service development, while an important approach in the Web service developer's repetoire, can be problematic when the data model requires inheritance.
接下来，我们介绍了自底向上的Web服务开发，虽然对 Web 服务开发人员来说也是一种重要的方法，但当数据模型需要继承的时候这种方法可能会出现问题。
Users can control one of the sensors to manipulate its camera and laser rangefinder with a touch screen and stylus while an automated control flies the UAV, writes Richard Whittle of Aviation Week.
当无人机采用自动控制飞行时，用户可以控制任一传感器，通过一个触摸屏和手写笔来操纵摄像头和激光测距仪。
While an inmate may have a subscription, not every issue makes it through.
尽管囚徒订阅了某种期刊，他/她并不一定能收到每一期刊物。
While an undergraduate he published his first book of poems hours of idleness.
他在大学读书时，就出版了第一本诗集《闲散的时光》。
While an undergraduate he published his first book of poems hours of idleness.
他在大学读书时，就出版了第一本诗集《闲散的时光》。
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