All right, then. Billions and billions of years. Twenty billion, maybe. Are you satisfied?

好吧。几十亿年，可能是两百亿年，满意了吧？

youdao

All right, then. Billions and billions of years. Ten billion, maybe. Are you satisfied?

好吧。几十亿年，可能一百亿年，满意了吧？

youdao

All right, then. Billions and billions of years. Ten billion, maybe. Are you satisfied?

好吧。几十亿年，可能一百亿年，满意了吧？

youdao