A special set of stamps has been issued marking the event.

为此还特别发行了一套邮票来纪念这件事。

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Blizzard said it would be marking World of Warcraft's fifth anniversary with some special in-game features, including new enemies for players to battle against, and the Onyxia Brood Whelping Pet.

暴雪表示，为庆祝魔兽世界五周年，会增添一些新的游戏特色，包括新的敌人和奥妮克希亚的小龙宠物。

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Also keep in mind that using a laser to produce a mark on bare metal will require the use of a special metal marking chemical that, when lasered, produces a black mark.

当然还要记得，如果用激光系统对稀有金属进行雕刻的话，就必须要用一种特殊的金属进行标记，这种金属在被激光雕刻之时，会产生黑色的记号。

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Your special issue on innovations, marking the 85th anniversary of your publication, gave its own special imprint on the true worth of innovation.

FORBES: Yet another look

Earlier Friday, Clinton, the U.N. special envoy for Haiti, issued a statement marking the passing of one month since a massive earthquake devastated the impoverished nation.

CNN: Bill Clinton, fresh out of hospital, eager to go back to work

Forbes Travel Guide Five-Star Mandarin Oriental, Hong Kong turns 50 this year and is marking the achievement with a slew of special offerings and promotions to lure in travelers.

FORBES: Why To Visit Hong Kong Now