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The spotted owl is a threatened species,not yet an endangered one. 花斑貓頭鷹是一個受威脇的物種，還不是一個瀕臨滅絕的物種。
A tagged northern spotted owl swoops toward a researcher's lure in a young redwood forest. 在一片年青的紅衫樹林裡，一衹被加上了記號的北方斑點貓頭鷹正朝研究人員的誘餌猛撲過來。
Do you remember a few years ago some tree huggers in the northwestern United States wanted to protect the forest home of the Spotted Owl? 對,幾年前,美國西北部一些環(huán)保人士爲了保護貓頭鷹的棲息地,阻止木材公司伐木而用鉄鏈子把自己綑在樹上。
How much social value is created by reducing pollution in a given stream, by saving the spotted owl, or by providing companionship to the elderly? 比如說，在指定的河流裡減少汙染創(chuàng)造了多少社會價值？保護斑點貓頭鷹呢？陪伴老年人呢？
LL: Do you remember a few years ago some tree huggers in the northwestern United States wanted to protect the forest home of the Spotted Owl? 對，幾-前，美國西北部一些環(huán)保人士爲了保護貓頭鷹的棲息地，阻止木材公司伐木而用鉄鏈子把自己綑在樹上。