Every year or so we exchange phone calls, but it is difficult to get lines.

BBC: Shatila stories: Muhammad Diab

But South America is proving difficult for Ford, largely because of currency exchange issues, and the company is spending heavily to catch up in China, so profits remain elusive there.

FORBES: Ford CFO Sees Turning Point In Europe (Fingers Crossed)

We have everything but energy represented, which is more difficult to adapt to an Asian exchange.

WSJ: Managing in Asia: Hariharan; Singapore Mercantile Exchange Finds the Pulse of Commodities Trading

The Securities and Exchange Commission is said to be considering relaxing rules that make it difficult for a company to switch auditors should one of the Big Four fail.

ECONOMIST: Auditing

Their most common objection is that share-price bubbles or exchange-rate misalignments are difficult to identify.

ECONOMIST: Central banks, all a-quiver | The

When barriers to trade are put in place, the price of work is increased thanks to unnatural barriers making it difficult for individuals to exchange the fruits of their labor with others, irrespective of borders.

FORBES: The 'New Normal' Myth Calls For Ronald Reagan 2.0

For now, the size of the bitcoin market is so small that it could be difficult or costly to move and exchange large amounts of illicit funds.

WSJ: Web Money Gets Laundering Rule