in the daytime when the weather is fine,all lights should be turned off tosave ----

问题描述:

in the daytime when the weather is fine,all lights should be turned off tosave ----

save 有积攒,拯救,节约的意思.在这里是说白天天气晴朗的时候,所以的电灯应该被关掉来节约什么.应该是节约电.所以应该是 save electricity