Humans suffered as a consequence from nutritional deficiencies in almost all parts of the world because there weren't complete diets.

几乎全世界的人们都饱受营养不良的困扰,因为他们没有平衡的食谱

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

That's almost saying there are difficulties, and you didn't treat them either.

那等同于在说存在这些困难，只是没有去处理而已。

麻省理工公开课 - 固态化学导论课程节选