Think of your knowledge in a specific domain as a tree.

把你在某个特定领域的知识想象成一棵树。

E But scientific progress is not all theoretical, knowledge is also vital to outstanding performance: individuals who know a great deal about a specific domain will achieve at a higher level than those who do not (Elshout, 1995).

E 但科学进步并不全是理论性的，知识对于出色的表现也至关重要：对特定领域了解很多的个人将比不了解的人取得更高的水平（Elshout，1995）。