At a time when people's diets are too rich in calories, vegetables have become an important element in maintaining good health. "Eat more vegetables" is an often-heard phrase today, an injunction much different in import from the admonitions of a political nature for which vegetables were once used in times past.
在國民營養過佳之時，菜類卻成為保持健康的要件，在餐館點幾道青菜，甚至成為重點；「多吃點青菜」是今天常聽的一句話，卻不同於古人對為人處事、為政方面的警惕語，而是關係身體健康的勉勵話了。