Anger can be good for the soul, because if we didn"t have challenges we would never change."

生气也有好处，因为如果没有挑战就没有改变。

youdao

And I have purposely made the arrow shorter to indicate that it has been slowed because we are going to argue its mass didn't change, so the only way to change its energy is to change its velocity.

我已经故意将这个箭头弄短,用来象征它变慢了,因为我们将证明它的质量没有变，只有它的能量改变了,也就是它的速度变了。

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"We didn't change much in terms of our physicality, " West said.

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We didn't change quickly enough last week.

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We didn't have to change our usual or "traditional" finger positioning, meaning we were able to keep our right thumb in the bottom left corner of the pad and use our index finger to navigate. (Even if our thumb moved slightly up on the pad it still worked.) Best of all, while using that finger positioning we rarely zoomed in on something by mistake.

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