The plan has good chances of success, since sweet potato is a staple of the region's diet and agriculture, and the varieties currently grown contain little beta-carotene.
该计划成功的机会很大，因为红薯是该地区的主食和主要农产品，而且目前种植的品种几乎不含胡萝卜素。
2
Orange-red vegetables are full of beta-carotene.
橘黄色的蔬菜含有大量的β-胡萝卜素。
3
Apricots, fresh or dried, are high in beta-carotene.