玛丽卡•霍兰德：一些科学家就此进行了种种推测，他们认为实际上海冰的消融已经达到了不可逆转的程度，或者与之非常接近。
Marika Holland: So there’s been a lot of speculation from some scientists that we could have already passed a tipping point, or be close to a tipping point.
可是我又感到霍兰德先生认为自己人生的一大半都浪费了。
And I have the feeling that Mr. Holland considers a great part of his life was misspent.
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