To his surprise, he could see nothing but a blank wall of another building.

令他吃惊的是，除了另一幢大楼的一堵空墙，他什么也看不见。

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I'd also much rather look at my computer screen than a blank wall!

同样，我宁愿看我的电脑屏幕，而不是一面空白墙壁。

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One of them has a picture behind it; the other has a blank wall behind it.

其中一幅后面还有一幅图片；另一幅后面是一面空白墙。

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And all of a sudden what was a blank wall is now filled with names, dates, images and stories about people who are just like you.

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Sitting in a room staring at a blank wall?

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Without them, Facebook is just a blank wall.

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