BHT also prevents oxidative rancidity of fats. It is used to preserve food odor, color, and flavor.

二叔丁基对甲酚(BHT)还能防止脂肪的氧化酸败，被用来维持食品的气味、颜色和味道。

youdao

Color harmony is also using a limited number of colors in a color pallete usualy seven or less initialy to help preserve design unity.

色彩协调也指使用调色板中有限数量的颜色，通常七种或更少则有助于维持设计的统一性。

youdao