According to this handy little booklet (PDF) from the U.S.Department of energy, 11 percent of a household's energy budget is spent on lighting.

根据这本美国能源部的方便小册子(PDF)，家庭能源预算的11%花在了照明上。

youdao

According to this handy little booklet (PDF) from the U.S. Department of energy, 11 percent of a household's energy budget is spent on lighting.

根据这本美国能源部的方便小册子(PDF)，家庭能源预算的11%花在了照明上。

youdao

According to this handy little booklet (PDF) from the U. S. Department of energy, 11 percent of a household's energy budget is spent on lighting.

根据这本美国能源部的方便小册子(PDF)，家庭能源预算的11%花在了照明上。

youdao