参考答案：在21世纪，现代生活对80后和90后来说压力重重。激烈的竞争无所不在：我们在工作中竞争，在日常生活中竞争。
你也许陷入某种困境而感到绝望无助。控制局势，而不被它左右或感到束手无策。获得控制感是抵抗压力最好的武器。
乐观者感到能够掌握自己的命运。如果事情不顺利，他立刻做出反应，寻找解决办法，制定新的行动计划，并且主动出去讨教他人。
悲观者则感到：既然感到毫无办法，他便不去寻求他人的意见。如果你改变想法，变得乐观起来，你就可以改变自己的生活。

解析：
In the 21 century, modern life is more stressful to the people born in the 1980s and 1990s. Fierce competition is everywhere, we compete at work and in daily life.
It may be that you feel hopeless in a situation. Take control of the situation instead of feeling powerless. A sense of control is the best weapon against stress.
A person who is optimistic feels in control of his own life. If things are going badly, he acts quickly, looking for solutions, forming a new plan of action, and reaching out for advice.
A person who is pessimistic doesn’t seek advice, since he assumes nothing can be done. If you change yourself and become optimistic, you can change your life.