But if two or three candidates are up for a promotion, each of whom has reasonably similar ability, a manager is going to promote the person he or she likes best.

但是，如果有两三个候选人竞争一个升职的机会，并且他们每个人的能力旗鼓相当，那么经理将会提拔他或她最喜欢的那个人。