Our tongues are so acutely sensitive to these that companies trying to lower the sodium content of their foods this way actually have to use a mix of regular salt and potassium salt so it's less noticeable.

我们的舌头对这些非常敏感，以至于试图以这种方式降低食物钠含量的公司其实必须要使用普通盐和钾盐的混合物，这样它就不那么明显了。