请问这道题想问的是啥，为啥突然和cash联系起来；
能否把题目想问的表达一下，多谢
题干：After examining the fund information, Lange is eager to explore manager evaluation. Dieter and Lange review three of Neckar’s fund managers with the following characteristics:
Manager 1: A fund holding stocks of companies located in the major European markets. Its benchmark is the FTSE Developed Europe Index.
Manager 2: A fund with a total return objective of exceeding the return of the FTSE Developed Europe Index Fund. The fund can hold up to 20% in cash.
Manager 3: A fund that holds eurozone sovereign bonds. Its benchmark is the S&P Eurozone Sovereign Bond 10+ Years Index.
题目
