但如果我们在今后数十年继续维持原来的状况，我们可能触发长达数百年的海平面上升，即使我们随后结束所有的温室气体排放仍将造成渐进但却无情的后果。
If, however, we continue on our current path for just a couple more decades, we could trigger centuries of rising sea levels, even if we subsequently ended all greenhouse-gas emissions. The effects would be gradual but merciless.