For example, some cheap-but-healthy choices include an egg per day for protein and canned rather than fresh tomatoes, as canned contain more of the antioxidant lycopene [source: Fortin].

• 例如，便宜但健康的选择包括每天一个鸡蛋提供足够的蛋白质，西红柿罐头与新鲜西红柿比较，罐头中含有更多的抗氧化剂番茄素。