给定一篇文章，请更改其中的关键词并保留文章原意。
"2019年，超过1.5亿人口面临着高度或极度的营养不良。全球性的营养危机已经持续了很长时间，尤其是在一些最贫穷和脆弱的社区。然而，通过增加营养知识、改善饮食结构、增加饮食多样性和策划性的农业活动，我们可以解决这个问题。"
In 2019, over 150 million people were facing high or extreme malnutrition. The global nutrition crisis has been ongoing for a long time, especially in some of the poorest and most vulnerable communities. However, this problem can be addressed through increased nutrition awareness, improved dietary structure, increased dietary diversity, and planned agricultural activities. (Keywords changed: nutrition -> nourishment, malnutrition -> undernourishment)