✔ 最佳答案
「Living within the planet's means」是一個 noun phrase,意思是「靠著地球資源生活」,在此「means」是 noun ,意思是「財產、資力、收入」。(參考
http://hk.dictionary.yahoo.com/search.html?q=1&s=means)
http://hk.dictionary.yahoo.com/search.html?q=1&s=condemn「condemn someone to something」是「使 someone 注定要 something」。例如「This disease condemns him to death.」,請留意「to」之後是跟 noun 。(參考
http://hk.dictionary.yahoo.com/search.html?q=1&s=condemn)
「just to sharing it」是跟「condemn to」,這句子可以拆成「Living within the planet's means need not condemn us to giving up what we now assume we need for a full life. Living within the planet's means just condemn us to sharing what we now assume we need for a full life.」
整句可譯成「靠著地球資源生活不一定迫使我們放棄我們現在以為一生需用的東西,而是叫我們分享這些東西。」