Some say that outside factors contributed to the track's problems.

However, the state can be easily disrupted by outside factors.

"We will not be influenced by any outside factors," she said.

There's a lot of outside factors you don't have any control over.

Is nature directly related and dependent on an outside factor?

"I didn't want any outside factor to make the decision for him about whether to play piano or not," she said.

The situation as it now stands has been complicated by several outside factors beyond our control.

The only outside factor that could come into play was the presence of other cars making north.

"The only real outside factor was my family," he said.

Some outside factors held down the July numbers, analysts said.