一个简单的办法就是把你所有的标准灯泡都换成节能型的。
One of the simplest steps is to switch all your standard light bulbs for energy-saving ones.
有标准形状的灯泡、火焰形状的灯泡、彩色球形灯泡等等。
There are standard-shaped bulbs, flame-shaped bulbs, colored globe-shaped bulbs, and more.
许多医院的照明已从标准的灯泡改为小巧的荧光灯或LED灯。
Many hospitals are switching from standard light-bulbs to compact fluorescent or LED lights.
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