heart smart，心變聰明了？

Reader's Digest April, 2006
"Great Lakes Journey"中提到船上的伙食：
in the '90s the ships went "heart smart" and cut back on artery-clogging foods.
heart smart，心變聰明了？ 其實不是這樣的。這是從上下文了解字義的好例子。

根據
On Look Dictionary Search

heart smart is an adjective Definition: helping to prevent heart disease: describes food that is low in fat and cholesterol and therefore reduces the risk of heart disease ( informal )