世界上的沙子将被耗尽

摘要

＜正＞When people picture sand spread across endless beaches and deserts,they think of it as an infinite1resource.But over-exploitation2of global supplies of sand is damaging the environment,making communities in danger,causing shortages and promoting violent conflict.当人们描绘一望无际的海滩上和沙漠里的沙子时,把沙子看作是一种无限的资源。但全球沙子供应的过度开发正在破坏环境、危及社会,并造成（供应）短缺,引发暴力冲突。