说的太对了.　将来科技发展了,有了便宜的清洁能源，污染问题也就不是问题．　

来源: 狸猫的爸于 2015-12-21 05:19:04 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.