Stress often plays a role in insomnia, so try to change your reaction to it.
压力通常是失眠的原因之一，所以要尝试改变压力带来的副作用。
Action is equal to reaction, but it ACTS in a contrary direction.
作用与反作用相等，但它在相反的方向起作用。
It is perhaps easiest to understand the reaction in the case of the toy balloon.
也许用玩具气球的情况最容易说明这种反作用力。
In this situation would it be the positive reaction to cop out and run away?
在这种情况下会警察并跑了积极的反应吗？
Example 4:Action is equal to reaction, but it acts in a contrary direction.
作用与反作用力大小相等，方向相反。
Example 4:Action is equal to reaction, but it acts in a contrary direction.
作用与反作用力大小相等，方向相反。
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