One study found that people responded best to comments that shifted from negative to positive, possibly because it suggested they had won somebody over.
一项研究发现，人们对由负面转变为正面的评价反应最好，可能是因为这表明他们赢得了别人的肯定。
2
In the Nun Study and the Mills College research, a measure of early positive expression determined the effect of this positivity over the lifespan.
在《修女研究》和米尔斯学院的研究中，有一项早期的积极表达方法决定了对寿命的正面影响。
3
Obviously, if the balance of pleasure over pain is positive, that's better than zero.