重点讲解：
1. run out of 用完；耗尽；
例句：They have run out of ideas.
他们已经想不出任何办法了h]xlO-2Lf(%b#。
2. compared to 与…相比；和…比起来；
例句：But women are more likely to fret, with almost half admitting that they worry a lot, compared to less than a third of men.
但女性更容易操心，近一半的女性承认她们操心很多事，而男性的这一比例则不到三分之一m=MLE!KQN3Nt_xk|9Fq。
3. contribute to 促成；促使；是导致…的原因之一；
例句：We spend our time on things which do not contribute to the final results, and that eventually causes us to overspend our time.
把时间花在无关最终结果的问题上导致我们在预定的时间里完成不了本该完成的事b0],teW)otDS!4。
4. refer to 谈到；指的是；
例句：Despite this, the term psychotherapy is usually used to refer to talking with people about more serious or complex problems in living.
话虽如此，「心理治疗」这个词通常是指与人讨论生活中比较严重或复杂的问题nXV%0AM~]OO5。