美国奥尔玛超市已经开始在店里安装了风力发电机来发电，而且正在讨论在停车场上方安装太阳光反射器。
Wal-Mart has begun installing wind turbines on its stores to generate electricity and is talking about putting solar reflectors over its parking lots.
美国奥尔玛超市已经开始在店里安装了风力发电机来发电，而且正在讨论在停车场上方安装太阳光反射器。
Wal-Mart has begun installing wind turbines on its stores to generate electricity and is talking about putting solar reflectors over its parking lots.
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