He agrees that, yes, it's time we really said good-bye forever.

他同意，是的，该是永远告别的时候了。

youdao

And although these biofuels will probably first be supplied preblended with traditional gasoline or diesel, one day we may use them alone and say good-bye to petroleum-based gasoline forever.

当然，刚开始的时候，这类生物燃料还是只能与传统的汽油或柴油混合使用，但迟早都有能够单独使用的一天。 到了那一天，我们就可以永远告别利用石油来提炼汽油的时代。

youdao

Sara: Good-bye, father Isak. Can't you see you're the one I love? Today, tomorrow and forever.

再见，神父伊萨克。你没有看见你是我唯一爱的人吗？今天，明天到永远。

youdao