八下英语外研版翻译是如下：
Life needs positive energy.
生活需要正能量。
A person’s life is a road with lots of difficulties and various negative emotions.
人的一生是充满困难和各种负面情绪的道路。
Everyone will have the desperate time.
每个人都有郁闷的时候。
Positive energy can help us go through this period of time.
正能量可以帮助我们度过这段时期。
For example, I am sad about the exam yesterday.
例如，我为昨天考试的事而难过。
But an optimistic classmate encourages me to think in a good way and comfort me.
但是一个乐观的同学鼓励我往好的方面想，安慰我。
I can recover soon.
我可以很快地恢复过来。
小小织女星
