"These people who promote the perfect body really don't care about you at all," says Kelsey Hertel, a high school junior and Body Project veteran in Eugene, Oregon.

俄勒冈州尤金市的凯尔西·赫特尔是一名高二学生，也是“身体工程”的老手，他说：“这些宣扬完美身材的人根本不在意你。”

youdao

But when food gets scarce, Hertel says, markets do respond.

但是赫特尔指出，当粮食变得极度短缺时，市场会做出反应。

youdao

Markets will balance supply and demand for food, Hertel says.

市场会平衡粮食供需，赫特尔说。

youdao

As a result, according to a new study by Thomas Hertel, of Purdue University, and Will Martin, of the World Bank, rich countries' average tariffs on manufacturing imports from poor countries are four times higher than those on imports from other rich countries.

ECONOMIST: Trade and development