In short, studying more could make you more promotable down the line and more useful to the business.

简而言之，多学习可以让你在未来更有晋升机会，对公司更有用。

The research included two questionnaire-based studies of 259 employees and 178 supervisors total where each assessed multiple statements regarding themselves and a potentially promotable employee respectively.

这项研究包括两项基于问卷的研究，共有 259 名员工和 178 名主管，每个人分别评估了关于自己和潜在晋升员工的多种陈述。