translation.en: When it came to our atmosphere, however, it wasn't that much of a joke over the long term, because it turned out that we were losing oxygen, quite a lot of oxygen.
translation.zh: 但从长远看来，这个问题在生态圈中提出的时候，无论无何， 可不仅仅是个笑话， 问题是，我们在失去氧气，数量可观的氧气。