When you use the line tool in your favorite design software, with the default Settings, you get a perfectly straight line from point a to point B.

在你最喜欢的设计工具中使用直线工具时，只需要采用默认设置，你就能画出特定两点间的完美直线。

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Pay attention to the details. Use A/B split testing to test your hypothesis and find out what is the most effective design that achieves better results.

关注细节，运用a/b对比测试来尝试和验证你的假设，从而寻找最有效的、能得到最优结果的设计。

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Nevermind what design you have, and nevermind which functionality you have to offer - if your visitors don't understand how they can get from point a to point B they won't use your site.

不管你在使用什么设计，不管你提供什么功能，如果你的访客不明白如何从A点到B点，他们将不会再用你的网站。

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Glyn received an A in art and design and a B in history AS-level but Es in Welsh and English because he missed the exams to go on Big Brother.

BBC: NEWS | UK | Education | Grandmother, 78, passes A-level

On the bigger stage, in the fashion business, Zara is a b-school case study in how to copy catwalk design and to get them into the shop, pronto.

FORBES: Why The Apple vs Samsung Verdict Is A Big Mistake

The B-1B has some stealth features: A smooth design and the use of radar-absorbing materials gave it an appearance on radar that is said to be only 1% of that of the older B-52 bomber, even though it is only a little shorter - at 146 feet (44.5 metres) - and weighs almost the same.

BBC: Profile: B-1 bomber