原文：

US President George W. Bush defended his environmental record on Tuesday, saying he was committed to clean air, water and land, but that his decisions would be based on "sound science" rather than "some fad."

"Ours is a policy that truly believes that technologies have advanced to the point where we can have economic growth and a sound environmental policy go hand in hand," Bush said at a White House ceremony honoring young people for outstanding service to the environment.

"We're going to make decisions based upon sound science, not some environmental fad or what may sound good. We're going to rely on the best evidence before we decide," Bush said.

注读：

US President George W. Bush defended（辩护） his environmental record（环境记录） on Tuesday, saying he was committed to clean（净化） air, water and land, but that his decisions would be based on "sound science" rather than "some fad（时尚）."

"Ours is a policy（政策） that truly believes that technologies（科技） have advanced to the point where we can have economic growth（经济增长） and a sound environmental policy go hand in hand," Bush said at a White House（白宫） ceremony（仪式） honoring young people for outstanding（杰出的） service to the environment.

"We're going to make decisions（做决定） based upon sound science, not some environmental fad or what may sound good. We're going to rely on（依靠） the best evidence before we decide," Bush said.

语言点精解：

US President George W. Bush defended his environmental record on Tuesday, saying he was committed to clean air, water and land¹, but that his decisions would be based on "sound science" rather than "some fad."

"Ours is a policy that truly believes that technologies have advanced to the point where we can have economic growth and a sound environmental policy go hand in hand²," Bush said at a White House ceremony honoring young people for outstanding service to the environment.

"We're going to make decisions based upon sound science, not some environmental fad or what may sound good. We're going to rely on the best evidence before we decide," Bush said.

1.此部分为伴随状语。2.此部分为定语从句。