X factor

基本解释

For Washington, ignoring that "X-factor" doesn't appear to be an option.
对华盛顿来说，忽略这个X因素看上去并不是明智的选择。
Whether this improves productivity or simply encourages long-distance debates about football and “The X-Factor” remains unclear.
这是否能提高生产率还是仅仅鼓励了有关足球和“The X-Factor”的长途谈论，目前尚不清楚。
He’s still gonna be front and centre in American pop culture, so it’s not that big a change when you think about that for FOX and X-Factor is also gonna be on FOX.
在美国的流行文化中他依旧引领潮流并占据着中心地位。如果这么想的话,你就不会觉得福克斯会有多大的改变,因为《X元素》也将在福克斯电视台上播映。

The problem is that determining motivation — the X- factor of employee success — can be extremely difficult.
FORBES: How to Determine Motivation in a Job Interview
At Westminster, where over 2, 000 dogs compete, there is an x-factor unlike any other in national dog shows.
FORBES: Dogs And Stocks: The Unpredictable Westminster Show