So-called AOC laws (Appellation d'Origine Côntrollée) govern wine-grape production throughout France, and in parts of Italy and Spain as well.

所谓的法定产区法（Appellation d'Origine Côntrollée）控制了全法国和意大利及西班牙部分地区的酿酒葡萄生产。

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Comparative wine production statistics for China are a bit problematic because much of the wine produced is not pure grape wine but may be mixed-fruit wine, and the rules on what can be labeled Chinese wine are quite, er, flexible.

FORBES: Magazine Article

But it's worth giving drinkers a little credit, since the odds of finding a tasty malbec are probably better than they are with any other wine grape, from any other country--at all price points.

FORBES: Wines for the Weekend

As this article in Nature magazine tells, authenticators are raising their game, trying to perfect the extraction and purification of grape-skin DNA from bottles of wine, in the hope they will be able to reliably distinguish between the 2, 500 grape varieties.

BBC: 10 THINGS WE DIDN'T KNOW THIS TIME LAST WEEK