The variables that lead to the decision to quit or not to quit are legion.

决定辞职或不辞职的变量有很多。

youdao

During a late-night televised speech Thursday, Prime Minister Yusuf Raza Gilani called on the nation to unite against the Taliban, pledging that the military will not quit until the Swat militants are eliminated from the region.

VOA: standard.2009.05.07

And for those of you who are making the commitment to quit, you are not alone and we have resources to help you succeed.

WHITEHOUSE: The White House Blog: The President

Companies invest in teaching them, too for example, to use computers to design parts because their workers are not likely to quit.

ECONOMIST: Education and skills

But U.S. casino operators are not about to quit Macau.

NEWYORKER: The God of Gamblers