Syria poses the toughest challenge yet.

In terms of the difficulty level of these puzzles.

I like challenges.

With C C is often considered to be a superset of C, but this is not strictly true.

South Korea s G 20 Challenge

The complex challenges facing workers worldwide will require complex solutions.

However, the increasingly complex policy challenges of the globalized economy demand a fresh look at this process.

And where you have slightly more complex things, you can get slightly more complex things.

The next four years will challenge both the government and opposition.

These are daunting tasks, and China cannot address them alone.

Cubans are in the end consigned to hold fast to rigid and impossible schemes.

In languages with subtyping, the compatibility relation is more complex.

The challenges Catherine faced were complex and in some ways difficult for her to comprehend as a foreigner.

The scale of the problems makes more elaborate solutions necessary.

For the world s democracies, there is no greater or more important task.

I m interested in training that is challenging and ongoing, even as you progress.

Now we also study more complex expressions. This is consolation.

Those more than 150 km in diameter show more complex peak ring morphology.

Success would be a sign of Pakistan s ability to conquer complex challenges, and it would provide a blueprint for further development interventions.

Leaving aside potential geopolitical disruptions, there are some formidable challenges to overcome, mostly stemming from political underperformance and dysfunction.

But capitalism also creates newer and more complex forms of individuality than before.

Computers are complicated machines.

They're too difficult.

The equations are very complicated.

Bearing in mind the new challenges for the international community in the field of development, poverty eradication and the elimination of the diseases that afflict humanity,

The complex things get more fragile, more vulnerable the Goldilocks conditions get more stringent, and it's more difficult to create complexity.

Recognizing, in particular, the need to enhance the capacity of those countries to utilize effectively the benefits of globalization, including those in the field of information and communication technologies, and to respond more adequately to its challenges,

Computers are complicated machines.

Why are girls so complicated?

The knights wore elaborate suits of armor.

Those were difficult times.

Reconciliation s New Frontier

It is a staggering task.

Fortunately, under the dynamic management of the new Director General of the WHO, former Norwegian Prime Minister Gru Brundtland, the WHO is gearing up to meet these new global challenges.

There are other troubling borderline cases.

And already difficult questions are being asked

Difficult problems require imaginative solutions.

I'm used to making difficult decisions.

This will not be easy to achieve, but the EU has accomplished more difficult tasks in the past.

Two problems remained unsolved.

And we have found that the organic compounds coming from this moon are in fact more complex than we previously reported.

Power grids running on renewables need more sophisticated systems for balancing energy supply and demand.

The second great change ie, the end of global ideological division also raises difficult and, perhaps, more complex issues.

It is during these processes of globalization that the old center periphery orders are replaced by more complex forms of socio spatial hierarchies.

This strategy is doomed to fail, however, because it misunderstands many of the root causes of impoverishment. Perhaps the most urgent item on the world agenda is a more realistic view of the global development challenge.