Collecting data to measure results also presents a challenge.

Now this cortical folding presents a significant challenge for interpreting surface electrical impulses.

This presents a challenge that must be addressed if workers are to support efforts to address climate change.

The situation presents a challenge to the international community, which must find effective means to combat that menace.

However, participation in the whole menu of United Nations negotiations and consultations presents a continuing challenge for smaller States.

Currently, the effective functioning of the Parliament presents a major challenge, particularly in the performance of its legislative and oversight responsibilities.

That presents us with the challenge of ensuring the availability of those resources in the long run.

This presents a considerable challenge to UNOPS in order to deliver on client expectations, UNOPS must proceed expeditiously in creating new capacities.

The return of internally displaced persons and refugees to southern Sudan presents a formidable challenge to the authorities and the resident communities.

The sale of that illicit drug funds anti Kabul forces, which presents a challenge to the central Government and poses a danger to the people.

Given their complex and technical nature, the adequate implementation of the provisions of the Protocol presents a challenge to many countries, in particular in the area of marking and record keeping.

West Africa presents a mixed picture.

This situation presents both an opportunity for ITC to grow and to maintain the continuous relevance of its services as well as a challenge given the limitations of its resources (both regular budget and extrabudgetary).

Comics presents a kind of temporal map.

And that presents us with a choice.

NEPAD presents a realistic framework for action.

However, linking observed trends in human and ecological health with ambient air quality trends presents a major scientific challenge, given the multiple stressors to which these systems are exposed and the wide variety of systems and responses involved.

The situation in Darfur presents a mixed picture.

You'll get a lot of presents on your birthday.

For Europeans, with our turbulent eastern and southern neighborhoods, this presents an additional security challenge for which we are materially and intellectually unprepared. Even today, Europe s military weakness is working to undermine the transatlantic relationship.

The environment presents an important aspect of a holistic dialogue.

A Wuzhen avenue presents the spillover effect of the Internet Conference.

When Christmas comes around, I usually receive a lot of presents.

The democratic challenge today is, above all, a social and human challenge.

Staff turnover presents another risk.

We need to reframe the challenge that is facing Africa, from a challenge of despair, which is called poverty reduction, to a challenge of hope.

The way ahead in the Sudan presents a number of difficult obstacles.

The Q A session after a post op presents data is often a blood bath.

A challenge, of course.

That's a huge challenge.

He seldom gives his wife presents.

They give presents to one another.

Even as he presents his excuses.

Even as he presents his excuses.

Even if he presents his excuses.

Even if he presents his excuses.

That's 20 percent of the budget, and that presents a more difficult issue.

OIOS observed that the selection of UNMO team leaders sometimes presents a problem.

So our first challenge was to find these things, and that was a challenge, indeed.

And this is a challenge.

So that became a challenge.

The travel ban presents an apparent paradox.

Independent entrepreneurship presents certain attractions for women.

So the signal to noise ratio then presents us with a pattern detection problem.

But a totalitarian regime that forces its political opponents to flee, presents special circumstances.