When a child learns to walk, it falls often. Imagine what would happen if children, because they stumble, decided that, finally, walking was not for them!

当小孩子刚开始学走路的时候，经常会摔倒，想象一下如果小孩摔倒了，就决定不走了，那么会出现什么情况，他们将不会走路。

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I'll walk through the basic components of a package, what you need to create your own packages, and finally how to pull it all together to create a package.

我将完整地介绍软件包的基本组件，创建自己的软件包所需的东西以及如何将它们组合在一起来创建一个软件包。

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Commence with a treadmill until you feel comfortable with a saucy walk in the park, and then finally, graduate onto the track.

先从踏车开始，知道你能在公园里随意行走，最后，去小道上行走。

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Now that the epic project is finally complete Bacteria has provided a rather lengthy walk though of all the various features and the work that went into it, which you can check out after the break.

ENGADGET: Bacteria completes epic Unity project, crams 15 consoles in one

Mrs Harford finally learnt to walk again with the use of a cane.

BBC: The lifelong fight against polio

Inevitably, when I finally dug a piece of wall, a girl would appear, flutter her eyelashes and walk away with a little piece of history.

CNN: How I brought down the Berlin Wall