Reword the following complex sentence so that it is easier to understand.
The reason for their success is that the team has managed to combine a high level of expertise with a strong work ethic.
Their success comes from having both a lot of knowledge and a good work attitude.
Complete the following task based on the instruction and optional input provided.### Instruction:
Reword the following complex sentence so that it is easier to understand.

### Input:
The reason for their success is that the team has managed to combine a high level of expertise with a strong work ethic.

### Output:
Their success comes from having both a lot of knowledge and a good work attitude.