Choose leather backpacks because it looks "cool" to go to school.

选择皮革背包，因为上学背它看起来会很“酷”。

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You can go for something soft, like Kimberly Stewart, or more structured; but whatever you choose it needs to look cool, current and to suit you”.

你可以剪比较柔和的Kimberly Stewart式发型,也可以剪得更有设计感。 不过无论你选择怎样的发型,一定要够酷,够潮流,够合适。

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"It is a place where kids can build their own social community online and they can really engage in some fun and cool scientific discovery and really allow them to turn their home into a lab if they choose to do so."

VOA: special.2010.12.28

Using favorite colors or cool nicknames to choose winners provides as good a chance as any scientific method.

FORBES: Magazine Article

Even recently hired executives can benefit from locking horns with the boss, provided they choose battles wisely, keep their cool and build a compelling case that boosts their superior's reputation, leadership experts say.

WSJ: How to Win an Argument With the Boss

One might tell me I was calm, while another advised me that I needed to cool down, so take their readings with a grain of salt if you choose to hop on board.

WSJ: Keep Calm and Carry a Gizmo