The psychological effect of a lead was undoubtedly why teams wanted to avoid falling behind at all costs, and why they generally played it safe by making sure their defence was solid.
取得领先的心理优势，无疑是球队为什么要不惜一切代价避免落后和谨慎地采取严密防守的原因。
2
The relevant psychological contents enter unconscious through forgetfulness, defence mechanisms such as repression, suppression, avoidance, and denial, and the selectivity of thought.
相关心理内容是通过遗忘和压抑、压制、回避、否认等防御机制以及思维的选择性这些机制进入潜意识的。
3
In order to research the defence of psychological warfare better, we need to understand what is characteristics of information trauma.