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1·If you do a knock-up job here, you'll pay for it when you find you need to start from scratch.

如果这时候你仅仅是随便玩玩，那么当你发现你需要推倒重建时，便会付出惨重的代价。

2·But actually, if you're really traveling on the cheap, usually for every five or six rooms there's a kitchen where you can knock up a snack, and that saves a lot of money.

其实，如果你真的在穷游，通常每5个或6个房间会配一个厨房，你就能简单凑活一顿，这样能省不少钱。

3·He likes to stack them up and find different ways to knock them down, she said.

他总是喜欢一个个的把他们堆起来，在用不同的方法把他们统统敲倒。

4·What was his surprise at seeing him go up to a door and knock, and to hear him say, Dear little sister, let me in.

他非常惊讶看到他来到了一扇门前，然后敲门，然后听到他说，“亲爱的小妹妹，让我进来吧。”

5·As a check, the researchers sequenced the DNA from some of the flourishing spots (a Mycoplasma genome is the sort of thing a modern sequencing set-up can knock off before its morning coffee).

作为一种检测，研究人员在一些繁殖茂盛的斑点处对DNA测序(支原体基因组这种东西现代测序技术可以在早晨喝完咖啡前搞定)。

6·The first step is always the hardest, and once taken, it sets up the momentum needed to more easily knock out the remaining steps.

第一步往往是最难得，但是如果做好了，它会帮你建立你需要的动力，并让我们更容易地去做接下来的步骤。

7·It seems it is literally impossible to go for a run or a walk without coming up with an idea that will knock you on your butt.

出去跑一圈或者走一会儿，在这段时间内如果没有好主意突然从你脑子里蹦出来是不可能的。

8·Following the reaction in China to Mr. Jobs's decision to step down as Apple CEO, it wouldn't be surprising if some local master of the knock-off decided to take up that challenge.

看到乔布斯辞去苹果首席执行长的决定在中国引起的反响后，如果这时有中国某些山寨高手决定接受这个挑战，或许就不会令人意外了。

9·Set up plastic cups at the end of a hallway and using a soft ball or rolled up sock try and knock them all over.

在门厅尽头放一些塑料杯，用软球或卷成团的袜子试一试，将它们尽数击中。

10·The ability of some ecosystems to clean themselves up can also cause knock-on problems.

生态系统的自我净化能力也会引起连锁反应。