And the fourth and final way is to use the computer to create a digital background and add a digitally drawn picture to the scene.

第四个方法，也就是最后一个方法是先用电脑创造一个数字背景，然后把一幅数字绘制的图片加到场景里。

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In the fourth example I spice up the scene with a visitor from another world, in a handy-dandy UFO (see Figure 2).

在第四个例子中，我为画面增加了一个来自未知的U FO中另一世界的访问者(参见图2)。

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The international financial crisis has entered its fourth year, and the current global economic and financial scene still gives no reason for optimism.

国际金融危机进入第四个年头，全球经济金融形势依然不容乐观。

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Vaughan faced serious doubts about his long-term future as a player of any description, let alone at the highest level, after a fourth knee operation took him out of the international scene in 2006.

BBC: Vaughan back where he belongs

The Coast Guard said the freighter's last port of call was believed to be Gonaives, Haiti's fourth largest city that was the recent scene of rebel activity.

CNN: Boat people fleeing Haitian crisis

That's because there's a key scene in "Breaking Dawn, " the fourth novel in Stephenie Meyer's series, that fans hope will not be taken the wrong way by mainstream audiences.

CNN: Harry Potter and the morning after