尽管全力以赴，但是有时候我们的绘画作品仍然很难呈现出最初构想的效果。
Although we try our best, sometimes our paintings rarely turn out as originally planned.
教育学的一个悖论是将信息以似乎更容易学习的方式呈现出来，学习效果却往往背道而驰。
A PARADOX of education is that presenting information in a way that looks easy to learn often has the opposite effect.
这个价格为99美分的应用可以拍摄桌子表面的照片，然后可以在上面呈现出相同的桌面效果，使平板看起来像透明的一样。
The 99-cent app can take a picture of a table top and then be used to pan over that same table top, making the tablet appear to be transparent.
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