前面用介词in，例如：
1、The two are similar in personality.两人性格相近。
2、The study appears in Personality and Individual Differences.该研究发表在《个性与个体差异》杂志（Personality and Individual Differences）上。
3、There is a significant difference in personality between the twin sisters.这对双胞胎姐妹的个性有明显的不同。
