Reword the following sentence using a more understandable expression.
It's difficult to project the gross outcome without contemplating associated costs.
It's hard to predict the overall results without considering the related expenses.
Complete the following task based on the instruction and optional input provided.### Instruction:
Reword the following sentence using a more understandable expression.

### Input:
It's difficult to project the gross outcome without contemplating associated costs.

### Output:
It's hard to predict the overall results without considering the related expenses.