WASHINGTON - Got an itch to scratch?
华盛顿——痒了为什么要挠挠？
An idea is like an itch: you need to scratch it, and when you do it feels better.
头脑里出现的想法就好像是被蚊虫叮了一样：您需要抓痒痒，这样做才感觉舒服一些。
One obvious benefit of digital downloads is their ability to scratch an immediate itch.
数字下载一个最明显的好处就是能够立即止痒。
That may be true, and indeed some of the most successful software projects came out of their authors' need to scratch an itch.
这或许是真的，实事上有些最成功的软件就来源于作者的直接需要。
That demonstrates that STT nerves react differently to the sensation of a scratch when it happens in response to an existing itch.
这表明，STT神经在存在瘙痒的时候对于挠痒的反应是不一样的。
That demonstrates that STT nerves react differently to the sensation of a scratch, when it happens in response to an existing itch.
这表明，STT神经在存在瘙痒的时候对于挠痒的反应是不一样的。
How does it feel to scratch an itch?
抓痒是一种什么样的感觉？
Traveling to new locations and interacting with people from distant cultures are good ways to scratch an itch for romantic adventure.
旅行到新的位置并且与来自遥远文化的人互动是一个好方法，可以挠到一个想冒爱情风险的痒处。
In fact, there are details of an aircraft that even if you choose to ignore will still affect your comfort level, like an itch you could not scratch.
其实，即使你不去考虑哪些细节让你坐飞机时感到不舒适，可这些不舒适依然存在，只不过它们以一种更压抑的方式存在，就如同感到身上某处很痒，怎么挠却挠不对地方。
In fact, there are details of an aircraft that even if you choose to ignore will still affect your comfort level, like an itch you could not scratch.
其实，即使你不去考虑哪些细节让你坐飞机时感到不舒适，可这些不舒适依然存在，只不过它们以一种更压抑的方式存在，就如同感到身上某处很痒，怎么挠却挠不对地方。
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