Pilots from different countries understand body signals if they have the correct training. When you wave your arms up and down in a straight line, it means "yes".

如果接受了正确的训练，来自不同国家的飞行员都能理解身体信号。当你沿一条直线上下摆动手臂时，就表示“是”。

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We need to be careful with the idea that artistic development occurs in a straight line, from simple to complex representations.

我们需要注意这个观点，即艺术的发展是在一条直线上发生的，表现形式从简单到复杂。

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As you deepen the bend of the knees, maintain a straight line from the top of your head to your tailbone.

当你加深双膝的弯曲幅度是，保持头顶到尾骨一条直线.

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So here's the straight line, and this line is the expected payoff to Player I from choosing Down as it depends on the probability that the other person chooses Right, and then once again, we can write down the equation.

这就是第三条直线了,它表示参与人I选择下获得的收益,是另一个参与人,选右概率的一个函数,对于这一条直线,我们依然能够给出方程式

耶鲁公开课 - 博弈论课程节选

Obama draws a straight line from the way her parents, Fraser and Marian Robinson, raised her to the world as it ought to be.

NEWYORKER: The Other Obama

India disagrees, preferring a straight line from the land border.

ECONOMIST: How to solve spats over sea borders

But the transcendent moment is when we come upon a pod of killer whales fishing right in Barnard Harbour, a straight line of sight from the hotel dock.

FORBES: Magazine Article