Editor 's note: As an important property of object appearance and the first factor infecting vision, color is a significant part of textile design and development.

编者按：颜色作为物体外观的重要属性和影响视觉的第一要素，是纺织产品设计与开发的重要组成部分。

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Editor s note: If you are planning to use the news story that this discussion-activity is based on for a homework assignment, please write the URL on the board and have your students copy it.

CNN: Discussion-activity: Yugoslav president's hold on power

EDITOR'S NOTE: Michael Oreskes, senior managing editor of The Associated Press, was City Hall bureau chief of the New York Daily News during Ed Koch's first term as mayor.

WSJ: Insufferable or irrepressible, Koch inspired NYC

Editor's note: Though presented as if it were an individual letter to the editor, scores of letters using almost identical language were sent to The Economist this week in an orchestrated campaign.

ECONOMIST: Israel and Palestine