
Close doors to rooms that you are not using to maximize heating and air conditioning. Insulate windows and doors to save even more heating costs.
Leaving your TV cable box on 24 hours a day uses about 65% as much energy as a standard refrigerator.
Take a canvas tote with you shopping, so you have a ready – and better – answer to the question “paper or plastic?”| 欢迎光临 英语听力论坛 (http://bbs.tingroom.com/) | Powered by Discuz! 7.2 |