Those lights might be one cause of the drop, but we don't know how much they helped.

How to say “Those lights might be one cause of the drop, but we don't know how much they helped.” in Japanese

In Japanese

あの照明(しょうめい)も使用量(しようりょう)が減(へ)った原因(げんいん)の一(ひと)つかもしれないけど、どれくらい効果(こうか)があったかは分(わ)からないよ。

Ano shōmei mo shiyōryō ga hetta gen'in no hitotsu kamo shirenai kedo, dore kurai kōka ga atta ka wa wakaranai yo.

Those lights might be one cause of the drop, but we don't know how much they helped. in other languages