It contains carbon monoxide, which preserves the color of the fish and can make a fillet look fresher than it is.

涂层里含有一氧化碳，能让鱼保持本来的颜色，并比实际看起来更新鲜。

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Wood from fruit trees makes good fuel for your fire. Such wood will give the smoked fish good color and taste.

果树的枝干可以用来做很好的燃料，可以给熏鱼好的色泽和口感。

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Another finding, but one that needs more study, is that some fish favor a specific color.

另一项发现，而是一个需要更多的研究，是一些鱼喜爱的特定颜色。

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Late last year Whole Foods Market color coded all of its wild-caught fish to show consumers which are most sustainable, based on guidelines set by Monterey Bay Aquarium in California and New York's Blue Ocean Institute.

WSJ: Guidelines for Eating Sustainable Seafood

Users become color icons or, if you'd rather, 3-D characters such as fish or bunnies.

FORBES: Croquet, Everyone?