英語翻訳
The professor said there are two things which parents all over the world should do : first, they should limit the number of offspring to help reduce birthrates to head off a global population explosion ; second, they should cut down on thier consumption and the amount of garbage they produce. These efforts, he added, are needed not for the benefit of others but for self-defense.
日本語訳してほしいです。出来るだけ正確にお願いします
