Focusing your mind on the scarcity can really screw with your thoughts, feelings and life. It can cause much stronger negative emotions than is really reasonable.
要是总关注这些，你的思维，你的情感和生活都会变得一团糟，从而丧失理性，产生强烈的负面情绪。
2
The reduced vision that results from abnormal focusing (refractive error) can cause the children to screw up their eyes and complain of headaches.