But if it fails,then there is no guarantee of repayment.

VOA: special.2009.12.11

But if it fails, it will underscore the limits the international community faces in its efforts to change the future of Afghanistan.

VOA: standard.2010.05.28

But she noted that the United States and its partners in the P-Five-Plus-One group the five permanent U.N.Security Council member countries and Germany are pursuing a two-track strategy of incentives for Iranian nuclear cooperation and "consequences" if it fails to fulfill international nuclear obligations.

VOA: standard.2009.11.09

But Israel has warned time and again that if diplomacy fails, it might launch a pre-emptive strike on Iran's nuclear facilities.

VOA: standard.2009.12.28