Generally, using this index value is not required, and there is no index access to tables of all dependency properties.

通常并不需要使用这个索引值，而且不会存取所有相依性属性的任何表索引。

youdao

The last index we compute is donor dependency, which tries to measure how badly a charity needs your contribution--as opposed to money raised from selling products or tickets or reaping investment gains--to fund its current operations.

FORBES: Personal Finance