Most everybody understands the basic concept of what a calorie is: you eat food, it delivers something that can affect your weight, and that something is divided into units called calories.

大部分人所理解的基本定义是,人们吃食物,其中某些物质影响体重,这种物质划分为小单位后称之为卡路里

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

My sense from talking with a number of investors is that most place great weight on the concept of a distinctive view, an investment thesis.

FORBES: Forget Bulls And Bears: Why Are So Many Investors Boors?

The visionary Austrian-Jewish journalist, Theodore Herzl, clarified and gave political weight to the concept of Jewish nationalism - or Zionism - and a national home for the Jews in Palestine at the first Zionist Congress at Basle, in Switzerland, in 1897.

BBC: The return of the Jews to the promised land

The result is a concept car with no unnecessary weight, and one that concentrates on the pure essence of sporty motion.

ENGADGET: Audi's Urban Concept heads to IAA Frankfurt, tickles our EV sensibilities