But to be considered as a basic emotion it should also have a purpose.

但是要被视作一种基本情绪，它也应该有一个目标。

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Break Your Routines - Routines can serve a useful purpose, but they also close the door on creativity.

打破常规—常规有利于一个有用的目的，但是它们也关上了通向创造性的门。

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They're used for this purpose in this article as well, but as you will see, these elements also calculate a navigation path through the sample application.

本文中它们也用于此目的，但是您马上会看到，这些元素也计算通过样例应用程序的导航路径。

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This is why the alliance of the democracies needs not only new members but also a new purpose.

ECONOMIST: When the snarling��s over

But the move will also have a practical purpose.

CNN: N. Korea destroys nuclear reactor tower

Boeing's 787 Dreamliner but also to a broad array of new generation business jets, helicopters and robotics serving commercial purpose look winners.

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