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。
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，一个是通过写作另一个是通过微笑，被认为对寿命有正面影响。
In both the Nun Study and the Mills College research a measure of early positive expression, one through writing and one through smiling, determined the effect of this positivity over the lifespan.
这次研究的不再是修女或学院年轻女性，而是棒球大联盟球员。
It wasn't nuns or young women in college - it was Major League Baseball players.
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