Barring extreme circumstances, our level of well being is determined by what we choose to focus on (the full or the empty part of the glass) and by our interpretation of external events.

• 除非出现极端的情况，我们的福祉水平是由我们选择关注的内容（满的或者空出部分的玻璃杯）以及由我们对外部事件的解释来决定的。